README: fix mail address in git example command
(From OE-Core rev: 73f8bbc74fbc7b0962314e5517ba8fd754e5507e)
Signed-off-by: Benjamin Bara <benjamin.bara@skidata.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit ff1c5ee9201cb792bb60f3338a5ee6d2d9f11ef9)
Signed-off-by: Steve Sakoman <steve@sakoman.com>