add loongarch64 support (driver)

Signed-off-by: yzewei <yangzewei@loongson.cn>

.clang-format

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+---
+Language: Cpp
+BasedOnStyle: LLVM
+AccessModifierOffset: -8
+BreakBeforeBraces: Allman
+BreakConstructorInitializers: AfterColon
+ColumnLimit: 120
+ConstructorInitializerIndentWidth: 8
+ContinuationIndentWidth: 8
+DerivePointerAlignment: true
+IndentWidth: 8
+SortIncludes: false
+SpaceAfterTemplateKeyword: false
+SpaceBeforeCtorInitializerColon: false
+SpaceBeforeParens: Never
+UseTab: Always

.github/PULL_REQUEST_TEMPLATE.md

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+<!--  Thanks for sending a pull request!  Here are some tips for you:
+
+1. If this is your first time, please read our contributor guidelines in the [CONTRIBUTING.md](https://github.com/falcosecurity/.github/blob/master/CONTRIBUTING.md) file and learn how to compile Falco from source [here](https://falco.org/docs/source).
+2. Please label this pull request according to what type of issue you are addressing.
+3. Please add a release note!
+4. If the PR is unfinished while opening it specify a wip in the title before the actual title, for example, "wip: my awesome feature"
+-->
+
+**What type of PR is this?**
+
+> Uncomment one (or more) `/kind <>` lines:
+
+> /kind bug
+
+> /kind cleanup
+
+> /kind design
+
+> /kind documentation
+
+> /kind failing-test
+
+> /kind feature
+
+<!--
+Please remove the leading whitespace before the `/kind <>` you uncommented.
+-->
+
+**Any specific area of the project related to this PR?**
+
+> Uncomment one (or more) `/area <>` lines:
+
+> /area API-version
+
+> /area build
+
+> /area CI
+
+> /area driver-kmod
+
+> /area driver-bpf
+
+> /area driver-modern-bpf
+
+> /area libscap-engine-bpf
+
+> /area libscap-engine-gvisor
+
+> /area libscap-engine-kmod
+
+> /area libscap-engine-modern-bpf
+
+> /area libscap-engine-nodriver
+
+> /area libscap-engine-noop
+
+> /area libscap-engine-source-plugin
+
+> /area libscap-engine-savefile
+
+> /area libscap
+
+> /area libpman
+
+> /area libsinsp
+
+> /area tests
+
+> /area proposals
+
+<!--
+Please remove the leading whitespace before the `/area <>` you uncommented.
+-->
+
+**Does this PR require a change in the driver versions?**
+
+> /version driver-API-version-major
+
+> /version driver-API-version-minor
+
+> /version driver-API-version-patch
+
+> /version driver-SCHEMA-version-major
+
+> /version driver-SCHEMA-version-minor
+
+> /version driver-SCHEMA-version-patch
+
+<!--
+Please remove the leading whitespace before the `/version <>` you uncommented.
+-->
+
+**What this PR does / why we need it**:
+
+**Which issue(s) this PR fixes**:
+
+<!--
+Automatically closes linked issue when PR is merged.
+Usage: `Fixes #<issue number>`, or `Fixes (paste link of issue)`.
+If PR is `kind/failing-tests` please post the related issues/tests in a comment and do not use `Fixes`.
+-->
+
+Fixes #
+
+**Special notes for your reviewer**:
+
+**Does this PR introduce a user-facing change?**:
+
+<!--
+If no, you have to do nothing.
+If yes, a release note is required:
+Delete `NONE` and enter your extended release note in the block below.
+Please note, the release note follows the "conventional commit specification" (https://www.conventionalcommits.org/en/v1.0.0/):
+For example: `fix: broken link`.
+If the PR requires additional action from users switching to the new release, prepend the string "action required:".
+For example, `action required: change the API interface of libscap`.
+-->
+
+```release-note
+NONE
+```

.github/install-deps.sh

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+#!/usr/bin/env bash
+# SPDX-License-Identifier: Apache-2.0
+#
+# Copyright (C) 2023 The Falco Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+set -e
+
+mkdir -p third_party
+cd third_party
+
+# === Valijson ===
+echo "=== Building and installing valijson v0.6 ==="
+
+wget "https://github.com/tristanpenman/valijson/archive/refs/tags/v0.6.tar.gz"
+
+tar xzf v0.6.tar.gz
+pushd valijson-0.6
+
+mkdir -p build
+cd build
+
+cmake \
+    -Dvalijson_INSTALL_HEADERS=ON \
+    -DCMAKE_BUILD_TYPE=Release \
+    -DCMAKE_INSTALL_PREFIX=/usr \
+    -Dvalijson_BUILD_TESTS=OFF \
+    ../
+
+make install -j
+popd
+
+
+# === RE2 ===
+echo "=== Building and installing re2 (v2022-06-01) ==="
+
+wget "https://github.com/google/re2/archive/refs/tags/2022-06-01.tar.gz"
+tar xzf 2022-06-01.tar.gz
+pushd re2-2022-06-01
+
+# see: https://github.com/google/re2/wiki/Install
+mkdir -p build-re2
+cd build-re2
+cmake \
+    -DCMAKE_BUILD_TYPE=Release \
+    -DRE2_BUILD_TESTING=OFF \
+    -DBUILD_SHARED_LIBS=ON  \
+    ..
+make -j
+make install -j
+popd
+
+# === uthash ===
+echo "=== Downloading uthash.h (1.9.8) ==="
+
+wget -P "/usr/include" "https://raw.githubusercontent.com/troydhanson/uthash/v1.9.8/src/uthash.h"