mb/google/brya: Enable UFS driver for edk2 payload

Several brya-based boards use UFS for storage, so enable the edk2 UFS
driver when using the edk2 payload.

TEST=build/boot google/brya (banshee, craaskov), verify internal boot
media functional with edk2 payload.

Change-Id: I3dc018582e974bf73c7668f78da9b81eeb038c01
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/81871
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
Reviewed-by: Varshit Pandya <pandyavarshit@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <ericllai@google.com>

src/mainboard/google/brya/Kconfig

@@ -22,6 +22,7 @@ config BOARD_GOOGLE_BRYA_COMMON
 	select EC_GOOGLE_CHROMEEC_BOARDID
 	select EC_GOOGLE_CHROMEEC_ESPI
 	select EC_GOOGLE_CHROMEEC_SKUID
+	select EDK2_UFS_ENABLE if EDK2_REPO_MRCHROMEBOX
 	select ENABLE_TCSS_USB_DETECTION if !CHROMEOS
 	select FW_CONFIG
 	select FW_CONFIG_SOURCE_CHROMEEC_CBI