Drop PR and INC_PR.
Move patches into a non-versioned directory, and update dbus-ptest to match.
(From OE-Core rev: 0289a1c325eea881ce3d68def5262f9e763d4fd2)
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>