samples: dfu: single_slot nrf54ls05 support

This commit adds support for the
nrf54ls05dk/nrf54ls05b/cpuapp in the single_slot sample.

Signed-off-by: Artur Hadasz <artur.hadasz@nordicsemi.no>

Author: ahasztag

samples/dfu/single_slot/Kconfig.sysbuild

@@ -8,10 +8,10 @@ config PARTITION_MANAGER
 	default n
 
 config MCUBOOT_SIGNATURE_USING_KMU
-	default y if SOC_SERIES_NRF54L
+	default y if SOC_SERIES_NRF54L && !SOC_NRF54LS05B
 
 config MCUBOOT_GENERATE_DEFAULT_KMU_KEYFILE
-	default y if SOC_SERIES_NRF54L
+	default y if SOC_SERIES_NRF54L && !SOC_NRF54LS05B
 
 config MCUBOOT_IMAGES_ROM_END_OFFSET_AUTO
 	default "single_slot;fw_loader_ipc_radio" if MCUBOOT_SIGN_MERGED_BINARY && SUPPORT_NETCORE

samples/dfu/single_slot/boards/nrf54ls05dk_nrf54ls05b_cpuapp.overlay

@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2026 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+/delete-node/ &boot_partition;
+/delete-node/ &slot0_partition;
+/delete-node/ &slot1_partition;
+/delete-node/ &storage_partition;
+
+&cpuapp_rram {
+	reg = <0x0 DT_SIZE_K(508)>;
+
+	partitions {
+		boot_partition: partition@0 {
+			label = "mcuboot";
+			reg = <0x0 DT_SIZE_K(28)>;
+		};
+
+		slot0_partition: partition@7000 {
+			label = "image-0";
+			reg = <0x7000 DT_SIZE_K(348)>;
+		};
+
+		slot1_partition: partition@5e000 {
+			label = "image-1";
+			reg = <0x5e000 DT_SIZE_K(116)>;
+		};
+
+		storage_partition: partition@7b000 {
+			label = "storage";
+			reg = <0x7b000 DT_SIZE_K(16)>;
+		};
+	};
+};

samples/dfu/single_slot/sample.yaml

@@ -22,7 +22,9 @@ tests:
       - nrf54l15dk/nrf54l15/cpuapp
       - nrf54h20dk/nrf54h20/cpuapp
       - nrf54lm20dk/nrf54lm20a/cpuapp
+      - nrf54ls05dk/nrf54ls05b/cpuapp
     integration_platforms:
       - nrf54l15dk/nrf54l15/cpuapp
       - nrf54h20dk/nrf54h20/cpuapp
       - nrf54lm20dk/nrf54lm20a/cpuapp
+      - nrf54ls05dk/nrf54ls05b/cpuapp

samples/dfu/single_slot/sysbuild/ble_mcumgr/boards/nrf54ls05dk_nrf54ls05b_cpuapp.overlay

@@ -0,0 +1,7 @@
+/*
+ * Copyright (c) 2026 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+#include "../../../boards/nrf54ls05dk_nrf54ls05b_cpuapp.overlay"

samples/dfu/single_slot/sysbuild/mcuboot/boards/nrf54ls05dk_nrf54ls05b_cpuapp.conf

@@ -0,0 +1,21 @@
+CONFIG_FLASH=y
+CONFIG_MAIN_STACK_SIZE=10240
+CONFIG_FPROTECT=n
+
+CONFIG_SERIAL=n
+CONFIG_CONSOLE=n
+CONFIG_UART_CONSOLE=n
+
+CONFIG_NRF_OBERON=y
+CONFIG_BOOT_ECDSA_NRF_OBERON=y
+
+CONFIG_NCS_BOOT_BANNER=n
+CONFIG_MCUBOOT_BOOT_BANNER=n
+CONFIG_BOOT_BANNER=n
+CONFIG_PRINTK=n
+CONFIG_MINIMAL_LIBC=y
+CONFIG_SYS_CLOCK_EXISTS=n
+CONFIG_GPIO=n
+
+CONFIG_ISR_TABLES_LOCAL_DECLARATION=y
+CONFIG_LTO=y

samples/dfu/single_slot/sysbuild/mcuboot/boards/nrf54ls05dk_nrf54ls05b_cpuapp.overlay

@@ -0,0 +1,13 @@
+/*
+ * Copyright (c) 2026 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+#include "../../../boards/nrf54ls05dk_nrf54ls05b_cpuapp.overlay"
+
+/ {
+	chosen {
+		zephyr,code-partition = &boot_partition;
+	};
+};