vboot: fix mocked TPM build

These function prototypes changed recently and the mocked driver is not
building any longer.

BUG=none
BRANCH=none
TEST=successful build with MOCK_TPM=1

Change-Id: Iaaf2d2c2883add7a478d7ee887b06e45c65e1bb2
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/65338
Reviewed-by: Stefan Reinauer <reinauer@google.com>
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
1 file changed