gm45: Allow coexistance with ME firmware.

Change-Id: I08ca5eec94c70b43789122266d68af149772385c
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/6626
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>

src/mainboard/roda/rk9/Kconfig

@@ -34,4 +34,8 @@ config MAX_CPUS
 	int
 	default 2
 
+config CBFS_SIZE
+	hex
+	default ROM_SIZE
+
 endif # BOARD_RODA_RK9

src/northbridge/intel/gm45/Kconfig

@@ -34,6 +34,17 @@ config BOOTBLOCK_NORTHBRIDGE_INIT
 	string
 	default "northbridge/intel/gm45/bootblock.c"
 
+config CBFS_SIZE
+	hex "Size of CBFS filesystem in ROM"
+	default 0x100000
+	help
+	  On GM45 systems the firmware image may
+	  store a lot more than just coreboot, including:
+	   - a firmware descriptor
+	   - Intel Management Engine firmware
+	  This option allows to limit the size of the CBFS portion in the
+	  firmware image.
+
 config VGA_BIOS_ID
 	string
 	default "8086,2a42"