We no longer have to include patches in the SRC_URI, since things now
work using only patch in the .scc file, so remove anything to do with
maintaining patches in the SRC_URI and fix up all previous users of
that code.
(From meta-yocto rev: 8f3cd1f80f898d963797bc96b3fe599f7f8ea343)
Signed-off-by: Tom Zanussi <tom.zanussi@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>