* qatar/master:
  x86: mmx2 ---> mmxext in asm constructs

Conflicts:
	libavcodec/x86/h264_chromamc_10bit.asm
	libavcodec/x86/h264_deblock.asm
	libavcodec/x86/h264dsp_init.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>