[coreboot-gerrit] Patch merged into coreboot/master: 1b770fb build system: Only setup git hooks if we're in a git checkout

the following patch was just integrated into master:
commit 1b770fb4b5a83042a6007cd9d263bfdf078822ad
Author: Patrick Georgi 
Date:   Wed Mar 4 15:03:05 2015 +0100

build system: Only setup git hooks if we're in a git checkout

A bit crude test, but before we would have _created_ .git
    and confused later git presence tests.

Change-Id: Iec882d0e38ce1bd227cae8c1e541fb21be085290
    Signed-off-by: Patrick Georgi 
    Reviewed-on: http://review.coreboot.org/8601
    Tested-by: build bot (Jenkins)
    Reviewed-by: Stefan Reinauer

See http://review.coreboot.org/8601 for details.

-gerrit