generic: 6.6: disable EPAN support

Enhanced Privileged Access Never (EPAN) is an ARMv8.7 feature, and since
we dont have any SoC-s implementing it lets disable it.

Link: openwrt#16211
Signed-off-by: Robert Marko <robimarko@gmail.com>

target/linux/generic/config-6.6

@@ -326,7 +326,7 @@ CONFIG_ARCH_MMAP_RND_COMPAT_BITS_MIN=8
 # CONFIG_ARM64_BTI is not set
 CONFIG_ARM64_CNP=y
 # CONFIG_ARM64_E0PD is not set
-CONFIG_ARM64_EPAN=y
+# CONFIG_ARM64_EPAN is not set
 # CONFIG_ARM64_ERRATUM_1024718 is not set
 # CONFIG_ARM64_ERRATUM_1165522 is not set
 # CONFIG_ARM64_ERRATUM_1286807 is not set