gitconfig: set up hooks and target for 3rdparty/blobs

Otherwise per default git will attempt to push to the blobs
repository directly instead of sending commits to gerrit.

Change-Id: I2ba241e0040a9c749c5bedc3d45d00b0b0dbe9e9
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-on: http://review.coreboot.org/10537
Tested-by: build bot (Jenkins)
Reviewed-by: Marc Jones <marc.jones@se-eng.com>
1 file changed