3.12-stable patches

3.12-stable patches

added patches:
	drm-ast-cirrus-mgag200-use-drm_can_sleep.patch
	drm-cirrus-correct-register-values-for-16bpp.patch
	drm-gem-always-initialize-the-gem-object-in-object_init.patch
	drm-gma500-lock-struct_mutex-around-cursor-updates.patch
	drm-i915-decouple-gpu-error-reporting-from-ring-initialisation.patch
	drm-i915-fix-the-offset-issue-for-the-stolen-gem-objects.patch
	drm-i915-flush-outstanding-requests-before-allocating-new-seqno.patch
	drm-i915-vlv2-fix-hotplug-detect-bits.patch
	drm-mgag200-ast-cirrus-fix-regression-with-drm_can_sleep-conversion.patch
	drm-mgag200-fix-oops-in-cursor-code.patch
	drm-mgag200-fix-typo-causing-bw-limits-to-be-ignored-on-some-chips.patch
	drm-nouveau-falcon-use-vmalloc-to-create-firwmare-copies.patch
	drm-nouveau-fix-m2mf-copy-to-tiled-gart.patch
	drm-rcar-du-update-plane-pitch-in-.mode_set_base-operation.patch
	drm-vmwgfx-fix-regression-caused-by-drm-ttm-make-ttm-reservation-calls-behave-like-reservation-calls.patch
	i915-remove-pm_qos-request-on-error.patch