4.4-stable patches

4.4-stable patches

added patches:
	af_unix-fix-hard-linked-sockets-on-overlay.patch
	btrfs-account-for-non-cow-d-blocks-in-btrfs_abort_transaction.patch
	drm-add-missing-drm_mode_set_crtcinfo-call.patch
	drm-amdgpu-gfx7-fix-broken-condition-check.patch
	drm-amdkfd-destroy-dbgmgr-in-notifier-release.patch
	drm-amdkfd-unbind-only-existing-processes.patch
	drm-atmel-hlcdc-actually-disable-scaling-when-no-scaling-is-required.patch
	drm-dp-mst-always-clear-proposed-vcpi-table-for-port.patch
	drm-i915-ilk-don-t-disable-ssc-source-if-it-s-in-use.patch
	drm-i915-refresh-cached-dp-port-register-value-on-resume.patch
	drm-i915-update-cdclk_freq-register-on-bdw-after-changing-cdclk-frequency.patch
	drm-i915-update-ifdeffery-for-mutex-owner.patch
	drm-make-drm_atomic_set_mode_prop_for_crtc-more-reliable.patch
	drm-nouveau-disp-sor-gf119-both-links-use-the-same-training-register.patch
	drm-nouveau-disp-sor-gf119-select-correct-sor-when-poking-training-pattern.patch
	drm-nouveau-fbcon-fix-out-of-bounds-memory-accesses.patch
	drm-nouveau-fix-for-disabled-fbdev-emulation.patch
	drm-nouveau-gr-gf100-update-sm-error-decoding-from-gk20a-nvgpu-headers.patch
	drm-radeon-fix-asic-initialization-for-virtualized-environments.patch
	drm-ttm-make-ttm_bo_mem_compat-available.patch
	drm-vmwgfx-add-an-option-to-change-assumed-fb-bpp.patch
	drm-vmwgfx-check-pin-count-before-attempting-to-move-a-buffer.patch
	drm-vmwgfx-delay-pinning-fbdev-framebuffer-until-after-mode-set.patch
	drm-vmwgfx-fix-error-paths-when-mapping-framebuffer.patch
	drm-vmwgfx-work-around-mode-set-failure-in-2d-vms.patch
	memory-omap-gpmc-fix-omap-gpmc-extradelay-timing.patch
	percpu-fix-synchronization-between-chunk-map_extend_work-and-chunk-destruction.patch
	percpu-fix-synchronization-between-synchronous-map-extension-and-chunk-destruction.patch
	ubi-make-recover_peb-power-cut-aware.patch
	vfs-add-d_real_inode-helper.patch
	virtio_balloon-fix-pfn-format-for-virtio-1.patch