For boards configured with an RW B side, produce a hex file for the B side.

If a board configuration produces an RW image for its B side, it makes
sense that requesting the "hex" target would produce a hex file for the B
side image as well as the A side image.

BUG=none
BRANCH=none
TEST=make -j buildall

Signed-off-by: Carl Hamilton <carlh@chromium.org>
Change-Id: Ib4ff1e41272ebf199c6361da4b572a43d403a003
Reviewed-on: https://chromium-review.googlesource.com/1369686
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Reviewed-by: Vadim Bendebury <vbendeb@chromium.org>
1 file changed