new package: libepoxy
xorg-server: update to xorg-server-1.6.0
xf86-video-ati: depends now on package 'xorg-server' with GLAMOUR support

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

Signed-off-by: Stephan Raue <stephan@openelec.tv>
linux: compile xhci-hcd built-in