board/system76/tgl-u: Add board.fmd file for all variants

Change-Id: I408c633e4993bf08853bd0cae98e57d53baa3a79

src/mainboard/system76/tgl-u/Kconfig

@@ -10,6 +10,7 @@ config BOARD_SPECIFIC_OPTIONS
 	select EC_SYSTEM76_EC
 	select EC_SYSTEM76_EC_COLOR_KEYBOARD if BOARD_SYSTEM76_DARP7
 	select EC_SYSTEM76_EC_DGPU if BOARD_SYSTEM76_GALP5
+	select EC_SYSTEM76_EC_LOCKDOWN
 	select HAVE_ACPI_TABLES
 	select HAVE_CMOS_DEFAULT
 	select HAVE_OPTION_TABLE
@@ -54,12 +55,12 @@ config MAINBOARD_VERSION
 	default "galp5" if BOARD_SYSTEM76_GALP5
 	default "lemp10" if BOARD_SYSTEM76_LEMP10
 
-config CBFS_SIZE
-	default 0xA00000
-
 config CONSOLE_POST
 	default y
 
+config FMDFILE
+	default "src/mainboard/\$(CONFIG_MAINBOARD_DIR)/board.fmd"
+
 config POST_DEVICE
 	default n
 

src/mainboard/system76/tgl-u/board.fmd

@@ -0,0 +1,12 @@
+FLASH 16M {
+	SI_DESC 4K
+	SI_ME 5116K
+	SI_BIOS 11M {
+		RW_MRC_CACHE 64K
+		SMMSTORE(PRESERVE) 256K
+		WP_RO {
+			FMAP 4K
+			COREBOOT(CBFS)
+		}
+	}
+}