mb/facebook/fbg1701: Add verified boot tables

The vendorcode for verified boot is uploaded, but not used by a mainboard.
Add support to the mainboard for verified boot.

The items to be verifed are placed in board_verified_boot.c

BUG=N/A
TEST=Boot Embedded Linux 4.20 and verify logging on Facebook FBG-1701 rev 0-2

Change-Id: I3ea0a95287977df0dea13e05acedd5406538a6ee
Signed-off-by: Frans Hendriks <fhendriks@eltan.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33463
Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
Reviewed-by: Lance Zhao <lance.zhao@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/mainboard/facebook/fbg1701/Kconfig b/src/mainboard/facebook/fbg1701/Kconfig
index ce90758..402165d 100644
--- a/src/mainboard/facebook/fbg1701/Kconfig
+++ b/src/mainboard/facebook/fbg1701/Kconfig
@@ -80,6 +80,10 @@
 	bool
 	default n
 
+config VENDORCODE_ELTAN_OEM_MANIFEST_LOC
+	hex "OEM Manifest working dflt"
+	default 0xFFFE9000
+
 config SPI_FLASH_INCLUDE_ALL_DRIVERS
 	bool
 	default n
@@ -96,4 +100,16 @@
 	hex "C Bootblock Size"
 	default 0x4000
 
+config VENDORCODE_ELTAN_VBOOT_SIGNED_MANIFEST
+	bool
+	default y
+
+config VENDORCODE_ELTAN_VBOOT_MANIFEST
+	string
+	default "mainboard/facebook/fbg1701/manifest.h"
+
+config VENDORCODE_ELTAN_VBOOT_KEY_LOCATION
+	hex "Key Location working dflt"
+	default 0xFFFF9C00
+
 endif # BOARD_FACEBOOK_FBG1701