* Move pixman out of xorg, because wayland uses it too
* Update the build to the latest standards

	renamed:    xorg/pixman/pixman.build -> libs_toolkit/pixman/pixman.build
* Update libdrm to 2.4.42
* Update build to the latest standards

	deleted:    xorg/libdrm/libdrm-2.4.41-autoreconf.patch.xz
	modified:   xorg/libdrm/libdrm.build