chromeos.fmd: Mark RW_LEGACY as CBFS

Change the existing chromeos.fmd files and the dts-to-fmd script to mark
RW_LEGACY as CBFS, so it's properly "formatted".

BUG=chromium:595715
BRANCH=none
TEST=none

Change-Id: I76de26032ea8da0c7755a76a01e7bea9cfaebe23
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 717a00c459906fa87f61314ea4541c31b50539f4
Original-Change-Id: I4b037b60d10be3da824c6baecabfd244eec2cdac
Original-Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/336403
Original-Commit-Ready: Patrick Georgi <pgeorgi@chromium.org>
Original-Tested-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Reviewed-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: https://review.coreboot.org/14240
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
diff --git a/src/mainboard/intel/strago/chromeos.fmd b/src/mainboard/intel/strago/chromeos.fmd
index 21b39c0..113fba6 100644
--- a/src/mainboard/intel/strago/chromeos.fmd
+++ b/src/mainboard/intel/strago/chromeos.fmd
@@ -22,7 +22,7 @@
 		}
 		RW_VPD@0x1f8000 0x2000
 		RW_UNUSED@0x1fa000 0x6000
-		RW_LEGACY@0x200000 0x200000
+		RW_LEGACY(CBFS)@0x200000 0x200000
 		WP_RO@0x400000 0x200000 {
 			RO_VPD@0x0 0x4000
 			RO_UNUSED@0x4000 0xc000