Remove a number of unnecessary dsputil.h #includes
x86: dsputil: Eliminate some unnecessary dsputil_x86.h #includes
ppc: Drop a bunch of unnecessary dsputil_altivec.h #includes
x86: Drop some unnecessary YASM ifdefs

Dead code elimination is enough to avoid undefined references in these cases.
x86: h264_qpel: Simplify an #if conditional

The extra conditions are covered by previous #ifs and conditional compilation.
x86: dsputil: Move ff_apply_window_int16_* bits to ac3dsp, where they belong
dsputil: Move DV-specific ff_zigzag248_direct table to dvdata
Merge commit '3dc6272bed7890a49080e18eacf3c7a4a6594b0d'

* commit '3dc6272bed7890a49080e18eacf3c7a4a6594b0d':
  Remove a number of unnecessary dsputil.h #includes

Conflicts:
	libavcodec/h264pred.c
	libavcodec/vc1dsp.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge commit 'b42f49e42f8cde25a788b2d13d03e99ca2956647'

* commit 'b42f49e42f8cde25a788b2d13d03e99ca2956647':
  x86: dsputil: Eliminate some unnecessary dsputil_x86.h #includes

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge commit 'b718b24bbe83d3e8787c1dc6449ccbffcd13a4e7'

* commit 'b718b24bbe83d3e8787c1dc6449ccbffcd13a4e7':
  ppc: Drop a bunch of unnecessary dsputil_altivec.h #includes

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge commit '01c5779f56cf708e6cb88b11cfdc248cae7e2ee8'

* commit '01c5779f56cf708e6cb88b11cfdc248cae7e2ee8':
  x86: Drop some unnecessary YASM ifdefs

Conflicts:
	libavfilter/x86/vf_yadif_init.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge commit 'c2c5be57494e6117086771bca34c8cd4c72c8e99'

* commit 'c2c5be57494e6117086771bca34c8cd4c72c8e99':
  x86: h264_qpel: Simplify an #if conditional

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge commit '57b5b84e208ad61ffdd74ad849bed212deb92bc5'

* commit '57b5b84e208ad61ffdd74ad849bed212deb92bc5':
  x86: dsputil: Move ff_apply_window_int16_* bits to ac3dsp, where they belong

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge remote-tracking branch 'qatar/master'

* qatar/master:
  dsputil: Move DV-specific ff_zigzag248_direct table to dvdata

Conflicts:
	libavcodec/dv.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>