boards: nordic: bm_nrf54l15dk: Default to MCUboot and softdevice

Changes the sysbuild Kconfig file so that MCUboot, s115 softdevice
and Bluetooth firmware loader options are enabled by default for
this board

Signed-off-by: Jamie McCrae <[email protected]>

Author: nordicjm

boards/nordic/bm_nrf54l15dk/Kconfig.sysbuild

@@ -6,3 +6,19 @@
 
 config PARTITION_MANAGER
 	default n
+
+if BOARD_BM_NRF54L15DK_NRF54L15_CPUAPP_S115_SOFTDEVICE_MCUBOOT
+
+choice BM_BOOTLOADER
+	default BM_BOOTLOADER_MCUBOOT
+endchoice
+
+choice SOFTDEVICE_SELECTION
+	default SOFTDEVICE_S115
+endchoice
+
+choice BM_FIRMWARE_LOADER
+	default BM_FIRMWARE_LOADER_BT_MCUMGR
+endchoice
+
+endif # BOARD_BM_NRF54L15DK_NRF54L15_CPUAPP_S115_SOFTDEVICE_MCUBOOT