4.4-stable patches

4.4-stable patches

added patches:
	drm-dp-mst-check-peer-device-type-before-attempting-edid-read.patch
	drm-fb-helper-fix-connector-ref-leak-on-error.patch
	drm-fb-helper-keep-references-for-the-current-set-of-used-connectors.patch
	drm-i915-clean-up-ddi-ddc-aux-ch-sanitation.patch
	drm-radeon-drop-register-readback-in-cayman_cp_int_cntl_setup.patch
	drm-radeon-si_dpm-limit-clocks-on-hd86xx-part.patch
	drm-radeon-si_dpm-workaround-for-si-kickers.patch
	mac80211-discard-multicast-and-4-addr-a-msdus.patch
	mmc-dw_mmc-pltfm-fix-the-potential-null-pointer-dereference.patch
	perf-build-fix-traceevent-plugins-build-race.patch
	raid10-ignore-discard-error.patch
	revert-drm-radeon-fix-dp-link-training-issue-with-second-4k-monitor.patch
	scsi-arcmsr-send-synchronize_cache-command-to-firmware.patch
	scsi-megaraid_sas-fix-data-integrity-failure-for-jbod-passthrough-devices.patch
	scsi-scsi_debug-fix-memory-leak-if-lbp-enabled-and-module-is-unloaded.patch