platform: ext: adi: Enable Protected Storage partition

Protected Storage partition is enabled in the configuration file for the
MAX32657 platform. Sufficient flash space is allocated for the services.
Note that PS is not enabled by default in case of small profile of TF-M.

Change-Id: I8a046227b36cfbb3f6c1aaf10a9d25ac48cd2d31
Signed-off-by: Jayashree Srinivasan <[email protected]>
(cherry picked from commit 96174fefb11627fe64f5df92a8d528d22e0db5c4)

Author: Jayashree-Srinivasan-adi

platform/ext/target/adi/max32657/config.cmake

@@ -11,6 +11,7 @@ set(TFM_BL2_SIGNING_KEY_PATH            ""          CACHE FILEPATH  "")
 
 set(BL2                                 ON         CACHE BOOL     "Whether to build BL2")
 set(CONFIG_TFM_USE_TRUSTZONE            ON)
+set(TFM_PARTITION_PROTECTED_STORAGE     ON           CACHE BOOL      "Enable Protected Stroage partition")
 set(TFM_PARTITION_PLATFORM              OFF          CACHE BOOL      "Enable Platform partition")
 set(TFM_PARTITION_CRYPTO                ON          CACHE BOOL      "Enable Crypto partition")
 set(TFM_PARTITION_INTERNAL_TRUSTED_STORAGE ON       CACHE BOOL      "Enable Internal Trusted Storage partition")

platform/ext/target/adi/max32657/s_ns_access.cmake

@@ -49,7 +49,7 @@ set(ADI_S_RAM_CODE_SIZE     "0x800"    CACHE STRING "Default: 2KB")
 set(ADI_FLASH_AREA_BL2_SIZE        "0x10000"  CACHE STRING "Default: 64KB")
 set(ADI_FLASH_S_PARTITION_SIZE     "0x50000"  CACHE STRING "Default: 320KB")
 set(ADI_FLASH_NS_PARTITION_SIZE    "0x90000"  CACHE STRING "Default: 576KB")
-set(ADI_FLASH_PS_AREA_SIZE         "0"        CACHE STRING "Default:  0KB")
+set(ADI_FLASH_PS_AREA_SIZE         "0x4000"   CACHE STRING "Default: 16KB")
 set(ADI_FLASH_ITS_AREA_SIZE        "0x4000"   CACHE STRING "Default: 16KB")