auron: Update microcode to 0x2B

Update to microcode 0x2B from release MOB_P_122.

BUG=b:72094541
BRANCH=auron
TEST=manual

Change-Id: I965f0313f2f5af5dc2a93766705980f41f294948
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Reviewed-on: https://chromium-review.googlesource.com/871500
Reviewed-by: Stefan Reinauer <reinauer@chromium.org>
3 files changed