tpm2_lite: do not ignore errors reported by TPM

Some tpm command wrappers ignore TPM return code, they should not
report success in case TPM operation failed.

BRANCH=none
BUG=chrome-os-partner:55668
TEST=verified that tpmc on reef does not silently ignore tpm write
     errors any more.

Change-Id: Id8955e3757948a3fd0972f88b569fb8828be7715
Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/406516
Commit-Ready: Andrey Pronin <apronin@chromium.org>
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
1 file changed