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/google/storm/chromeos.fmd b/src/mainboard/google/storm/chromeos.fmd
index a7b4059..a9bdd7b 100644
--- a/src/mainboard/google/storm/chromeos.fmd
+++ b/src/mainboard/google/storm/chromeos.fmd
@@ -29,5 +29,5 @@
 	RW_VPD@0x6e0000 0x8000
 	RW_ELOG@0x6e8000 0x8000
 	RW_NVRAM@0x6f0000 0x10000
-	RW_LEGACY@0x700000 0x100000
+	RW_LEGACY(CBFS)@0x700000 0x100000
 }