samples: settings: cover PSA PS backend

By default, run on mps2/an521/cpu0/ns with TF-M.

Signed-off-by: Dmitrii Sharshakov <[email protected]>

Author: dsseng

samples/subsys/settings/sample.yaml

@@ -56,6 +56,16 @@ tests:
       - CONFIG_SETTINGS_NVS=y
       - CONFIG_MPU_ALLOW_FLASH_WRITE=y
 
+  sample.subsys.settings.tfm-ps:
+    tags:
+      - trusted-firmware-m
+    filter: CONFIG_TFM_PARTITION_PROTECTED_STORAGE
+    integration_platforms:
+      - mps2/an521/cpu0/ns
+    extra_args:
+      - CONFIG_SETTINGS_TFM_PSA=y
+      - CONFIG_SETTINGS_TFM_PSA_BACKEND_PS=y
+
   sample.subsys.settings.tfm-its:
     tags:
       - trusted-firmware-m
@@ -64,3 +74,4 @@ tests:
       - mps2/an521/cpu0/ns
     extra_args:
       - CONFIG_SETTINGS_TFM_PSA=y
+      - CONFIG_SETTINGS_TFM_PSA_BACKEND_ITS=y