mb/google/dedede: Enable GBB configs for dedede

This patch enables the necessary GBB configs for dedede

BUG=none
BRANCH=none
TEST=GBB Flag value was 0x39 before enabling the required flags
and now it is updated to 0x40b9. Verfied from CPU log.

Change-Id: Ica07c65d6cf23ea859de6aa8413377661547e47a
Signed-off-by: Usha P <usha.p@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41405
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Maulik V Vaghela <maulik.v.vaghela@intel.com>
Reviewed-by: Meera Ravindranath <meera.ravindranath@intel.com>

src/mainboard/google/dedede/Kconfig

@@ -29,6 +29,10 @@ config CHROMEOS
 	default y
 	select EC_GOOGLE_CHROMEEC_SWITCHES
 	select GBB_FLAG_DISABLE_EC_SOFTWARE_SYNC
+	select GBB_FLAG_FORCE_DEV_SWITCH_ON
+	select GBB_FLAG_FORCE_DEV_BOOT_USB
+	select GBB_FLAG_FORCE_DEV_BOOT_LEGACY
+	select GBB_FLAG_FORCE_MANUAL_RECOVERY
 	select VBOOT_LID_SWITCH
 
 config DEVICETREE