As the manifest handling is done differently now, just inherit ptest with the
other inherits.
test_shutil needs unzip so add to RDEPENDS.
Instead of using a patched Makefile, call test.regrtest directly.
(From OE-Core rev: 84f34ad223b1e3f36cab2ac12246eb90efc919bc)
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>