mb/siemens/mc_bdx1: Enable VBOOT

Enable VBOOT in Kconfig and provide a flashmap that includes all the
needed sections for VBOOT support.

Change-Id: Iee12a5d1781c869b20bc14a52ecbf23474caa3fd
Signed-off-by: Werner Zeh <werner.zeh@siemens.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/35594
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>

src/mainboard/siemens/mc_bdx1/Kconfig

@@ -16,6 +16,19 @@ config BOARD_SPECIFIC_OPTIONS
 	select MAINBOARD_HAS_TPM2
 	select MAINBOARD_HAS_LPC_TPM
 
+config VBOOT
+	select VBOOT_MEASURED_BOOT
+	select VBOOT_VBNV_FLASH
+	select VBOOT_NO_BOARD_SUPPORT
+	select GBB_FLAG_DISABLE_LID_SHUTDOWN
+	select GBB_FLAG_DISABLE_PD_SOFTWARE_SYNC
+	select GBB_FLAG_DISABLE_EC_SOFTWARE_SYNC
+	select GBB_FLAG_DISABLE_FWMP
+
+config FMDFILE
+	string
+	default "src/mainboard/$(CONFIG_MAINBOARD_DIR)/mc_bdx1.fmd" if VBOOT
+
 config MAINBOARD_DIR
 	string
 	default "siemens/mc_bdx1"
@@ -30,7 +43,7 @@ config IRQ_SLOT_COUNT
 
 config CBFS_SIZE
 	hex
-	default 0x00D00000
+	default 0x00D00000 if !VBOOT
 
 config VIRTUAL_ROM_SIZE
 	hex

src/mainboard/siemens/mc_bdx1/mc_bdx1.fmd

@@ -0,0 +1,25 @@
+FLASH@0xff000000 0x1000000 {
+	SI_ALL@0x0 0x300000 {
+		SI_DESC@0x0 0x1000
+		SI_ME@0x1000 0x2ff000
+	}
+	SI_BIOS@0x300000 0xd00000 {
+		RW_MRC_CACHE 0x10000
+		RW_SHARED 0x4000 {
+			SHARED_DATA 0x2000
+			VBLOCK_DEV 0x2000
+		}
+		RW_VPD 0x2000
+		RW_NVRAM 0x2000
+		WP_RO 0xce8000 {
+			RO_VPD 0x4000
+			RO_SECTION 0xce4000 {
+				FMAP 0x800
+				RO_FRID 0x40
+				RO_FRID_PAD 0x7c0
+				GBB 0xef000
+				COREBOOT(CBFS)
+			}
+		}
+	}
+}