sysbuild: cmake: Add nRF54L support for Partititon Manager

Following PRs added nRF54L support for Partition Manager in the
default build system:
* #14246
* #14368

This commit adds such support in the sysbuild based on the
implementation from the mentioned PRs.

Jira: NCSDK-26123

Signed-off-by: Mateusz Kapala <mateusz.kapala@nordicsemi.no>

Author: mkapala-nordic

cmake/sysbuild/partition_manager.cmake

@@ -498,6 +498,15 @@ foreach(d APP ${PM_DOMAINS})
     set(otp_size 764)  # 191 * 4
   endif()
 
+  sysbuild_get(${image_name}_CONFIG_SOC_SERIES_NRF54LX IMAGE ${image_name} VAR CONFIG_SOC_SERIES_NRF54LX KCONFIG)
+  if(${image_name}_CONFIG_SOC_SERIES_NRF54LX)
+    set(soc_nvs_controller rram_controller)
+    set(soc_nvs_controller_driver_kc CONFIG_SOC_FLASH_NRF_RRAM)
+  else()
+    set(soc_nvs_controller flash_controller)
+    set(soc_nvs_controller_driver_kc CONFIG_SOC_FLASH_NRF)
+  endif()
+
   add_region(
     NAME sram_primary
     SIZE ${${image_name}_CONFIG_PM_SRAM_SIZE}
@@ -525,8 +534,8 @@ foreach(d APP ${PM_DOMAINS})
     SIZE ${flash_size}
     BASE ${${image_name}_CONFIG_FLASH_BASE_ADDRESS}
     PLACEMENT complex
-    DEVICE flash_controller
-    DEFAULT_DRIVER_KCONFIG CONFIG_SOC_FLASH_NRF
+    DEVICE ${soc_nvs_controller}
+    DEFAULT_DRIVER_KCONFIG ${soc_nvs_controller_driver_kc}
     DOMAIN ${d}
     )
 

sysbuild/Kconfig.sysbuild

@@ -22,6 +22,7 @@ menuconfig PARTITION_MANAGER
 
 config PM_MCUBOOT_PAD
 	hex "Memory reserved for MCUBOOT_PAD"
+	default 0x800 if $(BOARD) = "nrf54l15pdk_nrf54l15_cpuapp"
 	default 0x200
 	depends on BOOTLOADER_MCUBOOT
 	depends on PARTITION_MANAGER