Change PCR extend call to capture the state of both recovery and dev modes

Change-Id: I3f18081bda888a0fa6f56a67d0cef17268014706

BUG=chromium-os:6714
TEST=manual by enabling ROLLBACK_TPM in firmware/Makefile (did not test by compiling under MSVC)

Review URL: http://codereview.chromium.org/3973001
2 files changed