mocked_tpm: Add back missing paren

This was deleted in the previous commit and breaks building
with MOCK_TPM=1

BUG=chrome-os-partner:32698
BRANCH=all
TEST=build with MOCK_TPM=1

Change-Id: Ie437f9fb4c60161a95ca1cf992035858f02e3f19
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/227220
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
diff --git a/firmware/lib/mocked_tpm_bootmode.c b/firmware/lib/mocked_tpm_bootmode.c
index f8c0e8b..c1a0271 100644
--- a/firmware/lib/mocked_tpm_bootmode.c
+++ b/firmware/lib/mocked_tpm_bootmode.c
@@ -64,5 +64,6 @@
 uint32_t SetTPMBootModeState(int developer_mode, int recovery_mode,
 			     uint64_t fw_keyblock_flags,
 			     GoogleBinaryBlockHeader *gbb)
+{
   return TPM_SUCCESS;
 }