tests: bootloader: b0_lock_rwx: Coverage for nRF54LS05A

Add mcuboot.rwx partition overlays and platform entries for
nrf54ls05dk/nrf54ls05a/cpuapp.

Ref: NCSDK-40118

Signed-off-by: Adam Szczygieł <adam.szczygiel@nordicsemi.no>
Signed-off-by: Andrzej Puzdrowski <andrzej.puzdrowski@nordicsemi.no>

Author: adsz-nordic

tests/subsys/bootloader/b0_lock_rwx/Kconfig

@@ -7,7 +7,7 @@
 config TEST_IMMUTABLE_REGION
 	int
 	default 3
-	default 2 if SOC_NRF54LS05B
+	default 2 if (SOC_NRF54LS05A || SOC_NRF54LS05B)
 
 config TEST_ADDITIONAL_REGION
 	int

tests/subsys/bootloader/b0_lock_rwx/boards/nrf54ls05dk_nrf54ls05a_cpuapp_mcuboot.overlay

@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2026 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+&cpuapp_rram {
+	/delete-node/ partitions;
+
+	partitions {
+		ranges;
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		boot_partition: partition@0 {
+			compatible = "zephyr,mapped-partition";
+			reg = <0x0 DT_SIZE_K(64)>;
+		};
+
+		slot0_partition: partition@10000 {
+			compatible = "zephyr,mapped-partition";
+			reg = <0x10000 DT_SIZE_K(128)>;
+		};
+
+		slot1_partition: partition@30000 {
+			compatible = "zephyr,mapped-partition";
+			reg = <0x30000 DT_SIZE_K(128)>;
+		};
+	};
+};
+
+/ {
+	chosen {
+		zephyr,code-partition = &slot0_partition;
+	};
+};

tests/subsys/bootloader/b0_lock_rwx/sysbuild/mcuboot/boards/nrf54ls05dk_nrf54ls05a_cpuapp_mcuboot.overlay

@@ -0,0 +1,13 @@
+/*
+ * Copyright (c) 2026 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+#include "../../../boards/nrf54ls05dk_nrf54ls05a_cpuapp_mcuboot.overlay"
+
+/ {
+	chosen {
+		zephyr,code-partition = &boot_partition;
+	};
+};

tests/subsys/bootloader/b0_lock_rwx/testcase.yaml

@@ -64,12 +64,14 @@ tests:
       - nrf54lm20dk/nrf54lm20a/cpuapp
       - nrf54lm20dk/nrf54lm20b/cpuapp
       - nrf54ls05dk/nrf54ls05b/cpuapp
+      - nrf54ls05dk/nrf54ls05a/cpuapp
     integration_platforms:
       - nrf54lv10dk/nrf54lv10a/cpuapp
       - nrf54lc10dk/nrf54lc10a/cpuapp
       - nrf54lm20dk/nrf54lm20a/cpuapp
       - nrf54lm20dk/nrf54lm20b/cpuapp
       - nrf54ls05dk/nrf54ls05b/cpuapp
+      - nrf54ls05dk/nrf54ls05a/cpuapp
   b0.mcuboot.rwx:
     extra_args:
       - FILE_SUFFIX=b0_mcuboot