fwu: DeveloperBox: add support for FWU

Add code to support FWU_MULTI_BANK_UPDATE.
The platform does not have gpt-partition storage for
Banks and MetaData, rather it used SPI-NOR backed
mtd regions for the purpose.

Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
diff --git a/configs/synquacer_developerbox_defconfig b/configs/synquacer_developerbox_defconfig
index 0c37897..8e7236b 100644
--- a/configs/synquacer_developerbox_defconfig
+++ b/configs/synquacer_developerbox_defconfig
@@ -97,3 +97,11 @@
 CONFIG_EFI_CAPSULE_ON_DISK=y
 CONFIG_EFI_IGNORE_OSINDICATIONS=y
 CONFIG_EFI_CAPSULE_FIRMWARE_RAW=y
+CONFIG_EFI_SECURE_BOOT=y
+CONFIG_FWU_MULTI_BANK_UPDATE=y
+CONFIG_FWU_MDATA=y
+CONFIG_FWU_MDATA_MTD=y
+CONFIG_FWU_NUM_BANKS=2
+CONFIG_FWU_NUM_IMAGES_PER_BANK=1
+CONFIG_CMD_FWU_METADATA=y
+CONFIG_TOOLS_MKFWUMDATA=y