google/cyan: Increase RO coreboot size on flash

Commit 05627831826cab096789bd19f004b33a4cd70c0e applied
this change to other Google boards, but cyan was left out.

Bring cyan in line with other Google boards.

Change-Id: Id86bea538a7b82367ea6ddbd3fe3efb1b1c0078d
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/21124
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>

src/mainboard/google/cyan/chromeos.fmd

@@ -30,8 +30,8 @@ FLASH@0xff800000 0x800000 {
 				FMAP@0x0 0x800
 				RO_FRID@0x800 0x40
 				RO_FRID_PAD@0x840 0x7c0
-				GBB@0x1000 0xef000
-				COREBOOT(CBFS)@0xf0000 0x100000
+				GBB@0x1000 0x6f000
+				COREBOOT(CBFS)@0x70000 0x180000
 			}
 		}
 	}