Change checkpatch.conf after migration to tf.org
Change checkpatch.conf after migration to tf.org

A specific checkpatch setting was used because of GitHub. This necessity
doesn't exist anymore.

Change-Id: Ie2225a5cb88654f3b7407e43e0a48fafa9a9165c
Signed-off-by: John Tsichritzis <c5e6a94b5ed6b01ab911c6a4e005fdf814669fe4@arm.com>

achingupta/arm-trusted-firmware,achingupta/arm-trusted-firmware