samples: benchmark: coremark: unify format in different logging modes

Applied the same logging format in the standard logging mode as is
currently used in the multi-domain logging mode in the CoreMark sample.

Ref: NCSDK-27517

Signed-off-by: Kamil Piszczek <Kamil.Piszczek@nordicsemi.no>

samples/benchmarks/coremark/README.rst

@@ -214,19 +214,19 @@ After programming the sample to your development kit, complete the following ste
 
          .. code-block:: console
 
-            *** Booting nRF Connect SDK v2.7.0-b6081ebcf502 ***
-            *** Using Zephyr OS v3.6.99-100befc70c74 ***
-            I: CoreMark sample for nrf52840dk/nrf52840
-            I: Press Push button switch 0 to start the test ...
+            *** Booting nRF Connect SDK v2.8.99-e6cb2ebd48e1 ***
+            *** Using Zephyr OS v3.7.99-86bff0f8539a ***
+            [00:00:00.481,475] <inf> app: CoreMark sample for nrf52840dk/nrf52840
+            [00:00:00.488,616] <inf> app: Press Push button switch 0 to start the test ...
 
-            I: Push button switch 0 pressed!
-            I: CoreMark started! CPU FREQ: 64000000 Hz, threads: 1, data size: 2000; iterations: 2000
+            [00:00:16.955,047] <inf> app: Push button switch 0 pressed!
+            [00:00:16.961,303] <inf> app: CoreMark started! CPU FREQ: 64000000 Hz, threads: 1, data size: 2000; iterations: 2000
 
             2K performance run parameters for coremark.
             CoreMark Size    : 666
-            Total ticks      : 400968
-            Total time (secs): 12.236000
-            Iterations/Sec   : 163.452109
+            Total ticks      : 400842
+            Total time (secs): 12.232000
+            Iterations/Sec   : 163.505559
             Iterations       : 2000
             Compiler version : GCC12.2.0
             Compiler flags   : -O3 + see compiler flags added by Zephyr
@@ -237,8 +237,8 @@ After programming the sample to your development kit, complete the following ste
             [0]crcstate      : 0x8e3a
             [0]crcfinal      : 0x4983
             Correct operation validated. See README.md for run and reporting rules.
-            CoreMark 1.0 : 163.452109 / GCC12.2.0 -O3 + see compiler flags added by Zephyr / STACK
-            I: CoreMark finished! Push Push button switch 0 to restart ...
+            CoreMark 1.0 : 163.505559 / GCC12.2.0 -O3 + see compiler flags added by Zephyr / STACK
+            [00:00:29.273,925] <inf> app: CoreMark finished! Press Push button switch 0 to restart ...
 
       .. group-tab:: Multi-domain logging
 

samples/benchmarks/coremark/boards/nrf52833dk_nrf52833.conf

@@ -3,4 +3,4 @@
 #
 # SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
 
-CONFIG_LOG_MODE_MINIMAL=y
+CONFIG_LOG_MODE_IMMEDIATE=y

samples/benchmarks/coremark/boards/nrf52840dk_nrf52840.conf

@@ -3,4 +3,4 @@
 #
 # SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
 
-CONFIG_LOG_MODE_MINIMAL=y
+CONFIG_LOG_MODE_IMMEDIATE=y

samples/benchmarks/coremark/boards/nrf52dk_nrf52832.conf

@@ -3,4 +3,4 @@
 #
 # SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
 
-CONFIG_LOG_MODE_MINIMAL=y
+CONFIG_LOG_MODE_IMMEDIATE=y

samples/benchmarks/coremark/boards/nrf5340dk_nrf5340_cpuapp.conf

@@ -5,4 +5,4 @@
 
 CONFIG_SOC_NRF53_CPUNET_ENABLE=y
 
-CONFIG_LOG_MODE_MINIMAL=y
+CONFIG_LOG_MODE_IMMEDIATE=y

samples/benchmarks/coremark/boards/nrf5340dk_nrf5340_cpunet.conf

@@ -3,4 +3,4 @@
 #
 # SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
 
-CONFIG_LOG_MODE_MINIMAL=y
+CONFIG_LOG_MODE_IMMEDIATE=y

samples/benchmarks/coremark/boards/nrf54l15dk_nrf54l15_cpuapp.conf

@@ -5,4 +5,4 @@
 
 CONFIG_COREMARK_ITERATIONS=4000
 
-CONFIG_LOG_MODE_MINIMAL=y
+CONFIG_LOG_MODE_IMMEDIATE=y