Clean up some packaging issues, cairo-sphinx was installed
and is a testing tool that does not need to be packaged
(From OE-Core rev: 6a0dac89932b41502bb55a2dae07d835ca3c6245)
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>