This will make sure that Cr50 images built from dev branch can take
over images built from either MP or pre-MP branches.
BRANCH=none
BUG=none
TEST=verified that it is possible to overwrite pre-MP Cr50 version of
0.2.2.
Change-Id: I929cb2be857ea90c544f83160d6820c73e23c69d
Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/938946
Reviewed-by: Mary Ruthven <mruthven@chromium.org>