baytrail: update microcode to version 313

B2 and B3 steppings are now bumped to version 313.

BUG=chrome-os-partner:22858
BRANCH=None
TEST=Built.

Change-Id: I09ae5110b66c725e959e95fc15bc85ccf371495d
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/170425
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
3 files changed