elfutils: build with '-fPIC -DPIC'

Signed-off-by: Stephan Raue <stephan@openelec.tv>
llvm: build with R600 target

Signed-off-by: Stephan Raue <stephan@openelec.tv>
Mesa: build with EGL and GBM support, enable GLX TLS support

Signed-off-by: Stephan Raue <stephan@openelec.tv>
new package: add package 'glamor-egl'

Signed-off-by: Stephan Raue <stephan@openelec.tv>
xf86-video-ati: build with Glamor support

Signed-off-by: Stephan Raue <stephan@openelec.tv>
config/graphic: add 'radeonsi' driver support

Signed-off-by: Stephan Raue <stephan@openelec.tv>
projects/Generic: enable 'radeonsi' driver support

Signed-off-by: Stephan Raue <stephan@openelec.tv>
Merge branch 'master' of github.com:OpenELEC/OpenELEC.tv