FIX: [imx] vivante gl extension declaration
CHG: pure runtime detection of CEGLNativeTypeIMX
Use VPU for MPEG1 decoding
Thanks to Rudi (geeXboX patch 27 for it)
keep in sync with master
Merge remote-tracking branch 'origin/adddynreso' into wolfgar

Conflicts:
	xbmc/windowing/egl/EGLNativeTypeIMX.cpp
Do not use dts as pts substitute