These patches are a maintenance nightmare and impacting our abaility to
keep up to date with qemu. They are also a source of various bugs.
Remove them until someone is willing to step up and maintain them,
or upstream gains GL support.
(From OE-Core rev: e9a6df98458d9147227659d3888eff01589f2f76)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>