gstreamer: update to the latest gstreamer +plugins packages

liboil is not needed not used any more. orc _can_ be used instead, but
it's not needed.

[Peter: get rid of liboil selects]
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>