samples/tests: Fix mps3 board name

Fixes an issue with missed board name updates

Signed-off-by: Jamie McCrae <jamie.mccrae@nordicsemi.no>

samples/modules/tflite-micro/hello_world/README.rst

@@ -58,7 +58,7 @@ the `PATH` variable, then building and testing can be done with following
 commands.
 
 ```
-$ west build -p auto -b mps3_an547 samples/modules/tflite-micro/hello_world/ -T sample.tensorflow.helloworld.cmsis_nn
+$ west build -p auto -b mps3/an547 samples/modules/tflite-micro/hello_world/ -T sample.tensorflow.helloworld.cmsis_nn
 $ FVP_Corstone_SSE-300_Ethos-U55 build/zephyr/zephyr.elf
 ```
 

samples/modules/tflite-micro/tflm_ethosu/README.rst

@@ -33,5 +33,5 @@ commands.
 
 .. code-block:: bash
 
-    $ west build -b mps3_an547 zephyr/samples/modules/tflite-micro/tflm_ethosu
+    $ west build -b mps3/an547 zephyr/samples/modules/tflite-micro/tflm_ethosu
     $ FVP_Corstone_SSE-300_Ethos-U55 build/zephyr/zephyr.elf

tests/kernel/mem_protect/mem_protect/testcase.yaml

@@ -24,8 +24,8 @@ tests:
     arch_allow: arm
     platform_allow:
       - efr32_radio_brd4180a
-      - mps3_an547
+      - mps3/an547
       - nrf9160dk_nrf9160
     integration_platforms:
-      - mps3_an547
+      - mps3/an547
     extra_args: CONFIG_MPU_GAP_FILLING=y

tests/kernel/mem_protect/userspace/testcase.yaml

@@ -23,8 +23,8 @@ tests:
     arch_allow: arm
     platform_allow:
       - efr32_radio_brd4180a
-      - mps3_an547
+      - mps3/an547
       - nrf9160dk_nrf9160
     integration_platforms:
-      - mps3_an547
+      - mps3/an547
     extra_args: CONFIG_MPU_GAP_FILLING=y