marvell: Update firmware to v14.66.27.p2

BUG=chrome-os-partner:11996
TEST=RvR tests

Change-Id: I9fdb22e623fe9902231f2d2fd50112d6e2694ba3
Reviewed-on: https://gerrit.chromium.org/gerrit/35368
Reviewed-by: Ryan Cairns <rtc@chromium.org>
Commit-Ready: Paul Stewart <pstew@chromium.org>
Tested-by: Paul Stewart <pstew@chromium.org>
1 file changed