wsegl: update for recent PowerVR SDK from Intel
wsegl: remove usage of ARRAY_SIZE macro which was removed from wayland
wsegl: remove support for EGL pixmaps

The wayland egl API does not support them anymore.
wsegl: bind interfaces through wayland registry
wsegl: bind our objects in a separate event queue
wsegl: commit surface
gdl: rewrite resource handling with wayland 1.2 APIs