add .gitreview

This adds a .gitreview file for use with the git-review tool.

Change-Id: I0f0cfe4cfbd06a6501f565c93508da91d7491029
Signed-off-by: Alexander Couzens <lynxis@fe80.eu>
Reviewed-on: https://review.coreboot.org/14167
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Martin Roth <martinroth@google.com>
1 file changed