Do not advance kernel version in TPM if we are in firmware B trying a new firmware

Change-Id: If5b6390d011d743689cf96e49202358397663651

R=bleung@chromium.org,dlaurie@chromium.org,sumit@chromium.org
BUG=chrome-os-partner:3367
TEST=make && make runtests

Review URL: http://codereview.chromium.org/6871044
1 file changed