Revert xorg7-intel and libdrm packages for compatiblity with xorg7-nouve...

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	modified:   ts/5.1/packages/xorg7-nouveau/.dna
	modified:   ts/ports/xorg/libdrm/.footprint
	modified:   ts/ports/xorg/libdrm/Pkgfile
	modified:   ts/ports/xorg/libdrm/libdrm#git-1.pkg.tar.gz
	modified:   ts/ports/xorg/xorg-xf86-video-intel/.footprint
	modified:   ts/ports/xorg/xorg-xf86-video-intel/Pkgfile
	modified:   ts/ports/xorg/xorg-xf86-video-intel/xorg-xf86-video-intel#git-1.pkg.tar.gz
	modified:   ts/unwind_cache/xorg7-nouveau.turbo
	modified:   ts/wind_cache/xorg7-nouveau.turbo