This checks the correctness of data returned by flash read host command.
BUG=chrome-os-partner:19236
TEST=Pass all tests.
BRANCH=None
Change-Id: I3b97addb9b14922e9f33a71b865000ae9a8d40a8
Signed-off-by: Vic Yang <victoryang@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/60963
Reviewed-by: Randall Spangler <rspangler@chromium.org>