4.9-stable patches

4.9-stable patches

added patches:
	arm-8857-1-efi-enable-cp15-dmb-instructions-before-cleaning-the-cache.patch
	ceph-ensure-d_name-stability-in-ceph_dentry_hash.patch
	ceph-fix-ci-i_head_snapc-leak.patch
	dmaengine-sh-rcar-dmac-with-cyclic-dma-residue-0-is-valid.patch
	drm-vc4-fix-compilation-error-reported-by-kbuild-test-bot.patch
	drm-vc4-fix-memory-leak-during-gpu-reset.patch
	input-synaptics-rmi4-write-config-register-values-to-the-right-offset.patch
	nfsd-don-t-release-the-callback-slot-unless-it-was-actually-held.patch
	nfsd-wake-blocked-file-lock-waiters-before-sending-callback.patch
	sunrpc-don-t-mark-uninitialised-items-as-valid.patch
	usb-add-new-usb-lpm-helpers.patch
	usb-consolidate-lpm-checks-to-avoid-enabling-lpm-twice.patch
	vsock-virtio-fix-kernel-panic-from-virtio_transport_reset_no_sock.patch