applications/firmware_loader: set MCUMGR_GRP_OS_MCUMGR_PARAMS_ROLE_VALUE

set this Kconfig value to 81 in order to make it recognizable by the
mcumgr client as the firmware loader capable mcumgr instance.

Signed-off-by: Andrzej Puzdrowski <[email protected]>

Author: nvlsianpu

applications/firmware_loader/ble_mcumgr/Kconfig

@@ -12,4 +12,7 @@ source "$(ZEPHYR_BASE)/subsys/logging/Kconfig.template.log_config"
 
 endmenu # "BLE MCUmgr sample"
 
+config MCUMGR_GRP_OS_MCUMGR_PARAMS_ROLE_VALUE
+    default 81
+
 source "Kconfig.zephyr"