Change README to point to gdce-infra s/GMEC/GDCE/.

BUG=None
TEST=N/A
RELEASE_NOTE=None

Change-Id: I07b9cb2537c8119eec8874e639f2c96f41bd74c6
Reviewed-on: https://cos-review.googlesource.com/c/cos/overlays/board-overlays/+/74953
Tested-by: Alan Berryhill <berryhill@google.com>
Reviewed-by: Alan Berryhill <berryhill@google.com>
1 file changed