4.9-stable patches

4.9-stable patches

added patches:
	drm-i915-add-gen9-bcs-cmdparsing.patch
	drm-i915-add-support-for-mandatory-cmdparsing.patch
	drm-i915-allow-parsing-of-unsized-batches.patch
	drm-i915-cleanup-use-of-instr_client_mask.patch
	drm-i915-cmdparser-add-support-for-backward-jumps.patch
	drm-i915-cmdparser-check-reg_table_count-before-derefencing.patch
	drm-i915-cmdparser-do-not-check-past-the-cmd-length.patch
	drm-i915-cmdparser-fix-jump-whitelist-clearing.patch
	drm-i915-cmdparser-ignore-length-operands-during-command-matching.patch
	drm-i915-cmdparser-limit-clflush-to-active-cachelines.patch
	drm-i915-cmdparser-use-explicit-goto-for-error-paths.patch
	drm-i915-disable-secure-batches-for-gen6.patch
	drm-i915-don-t-whitelist-oacontrol-in-cmd-parser.patch
	drm-i915-gen8-add-rc6-ctx-corruption-wa.patch
	drm-i915-gtt-add-read-only-pages-to-gen8_pte_encode.patch
	drm-i915-gtt-disable-read-only-support-under-gvt.patch
	drm-i915-gtt-read-only-pages-for-insert_entries-on-bdw.patch
	drm-i915-kick-out-cmd_parser-specific-structs-from-i915_drv.h.patch
	drm-i915-lower-rm-timeout-to-avoid-dsi-hard-hangs.patch
	drm-i915-move-engine-needs_cmd_parser-to-engine-flags.patch
	drm-i915-prevent-writing-into-a-read-only-object-via-a-ggtt-mmap.patch
	drm-i915-remove-master-tables-from-cmdparser.patch
	drm-i915-rename-gen7-cmdparser-tables.patch
	drm-i915-return-eacces-for-check_cmd-failures.patch
	drm-i915-silence-smatch-for-cmdparser.patch
	drm-i915-support-ro-ppgtt-mapped-cmdparser-shadow-buffers.patch
	drm-i915-use-the-precomputed-value-for-whether-to-enable-command-parsing.patch