ble_mcumgr: Allow to standalone FW loader builds

Add missing configuration, so the FW loader application can be built
directly.

Ref: NCSDK-33237

Signed-off-by: Tomasz Chyrowicz <[email protected]>

Author: tomchy

samples/dfu/fw_loader/ble_mcumgr/Kconfig.sysbuild

@@ -0,0 +1,17 @@
+#
+# Copyright (c) 2025 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
+if SOC_SERIES_NRF54HX
+
+config NRF_DEFAULT_IPC_RADIO
+	default y
+
+config NETCORE_IPC_RADIO_BT_HCI_IPC
+	default y
+
+endif # SOC_SERIES_NRF54HX
+
+source "${ZEPHYR_BASE}/share/sysbuild/Kconfig"

samples/dfu/fw_loader/ble_mcumgr/pm_static_nrf54l15dk_nrf54l15_cpuapp.yml

@@ -0,0 +1,40 @@
+mcuboot:
+  address: 0x0
+  region: flash_primary
+  size: 0x11000
+app:
+  address: 0x11800
+  region: flash_primary
+  size: 0xa6800
+mcuboot_pad:
+  address: 0x11000
+  region: flash_primary
+  size: 0x800
+mcuboot_primary:
+  address: 0x11000
+  orig_span: &id001
+  - app
+  - mcuboot_pad
+  region: flash_primary
+  size: 0xa7000
+  span: *id001
+mcuboot_primary_app:
+  address: 0x11800
+  orig_span: &id002
+  - app
+  region: flash_primary
+  size: 0xa6800
+  span: *id002
+mcuboot_secondary:
+  address: 0xb8000
+  region: flash_primary
+  size: 0xa9000
+settings_storage:
+  address: 0x161000
+  region: flash_primary
+  size: 0x4000
+sram_primary:
+  address: 0x20000000
+  end_address: 0x2002f000
+  region: sram_primary
+  size: 0x2f000

samples/dfu/fw_loader/ble_mcumgr/sysbuild.conf

@@ -0,0 +1,2 @@
+# Enable MCUboot bootloader support
+SB_CONFIG_BOOTLOADER_MCUBOOT=y