simple-egl: Add support for using a 16 bpp EGLConfig
simple-egl: Add support for using a 16 bpp EGLConfig

jonnylamb/weston,giucam/weston,eyolfson/weston,xorgy/weston,sir-murray/weston,eyolfson/weston,xorgy/weston,Gnurou/weston,kwm81/weston,sir-murray/weston,mchalupa/weston,Tarnyko/weston-xdg_surface_present,Fantu/compositor-spice,udoprog/weston,udoprog/weston,krezovic/weston,krezovic/weston,kwm81/weston,giucam/weston,mchalupa/weston,Fantu/compositor-spice,Tarnyko/weston-xdg_surface_present,Gnurou/weston,Fantu/compositor-spice,jonnylamb/weston