tianocore: fix Makefile to build a custom revision or branch

Kconfig variables TIANOCORE_REVISION and TIANOCORE_REVISION_ID
do not have an effect without this fix, the build process would
checkout the hard-coded stable hash even if these variables are set.

Change-Id: I9711a370eeade3cba0a9e127deb3d96d82adc512
Signed-off-by: Gergely Kiss <mail.gery@gmail.com>
Reviewed-on: https://review.coreboot.org/22983
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Martin Roth <martinroth@google.com>

0 files changed, 0 insertions, 0 deletions