Initialize the git config prior creating a git repository in a plain
directory.
(From OE-Core rev: 0e3a9bed988b5fd4de770fe8cd1160b9f6c8c365)
Signed-off-by: Justin Bronder <jsbronder@cold-front.org>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>