4.9-stable patches

4.9-stable patches

added patches:
	alsa-firewire-lib-fix-stall-of-process-context-at-packet-error.patch
	alsa-pcm-don-t-treat-null-chmap-as-a-fatal-error.patch
	autofs-sanity-check-status-reported-with-autofs_dev_ioctl_fail.patch
	cifs-improve-readdir-verbosity.patch
	clk-sunxi-ng-a31-correct-lcd1-ch1-clock-register-offset.patch
	cxgb4-notify-up-to-route-ctrlq-compl-to-rdma-rspq.patch
	fs-dax.c-fix-inefficiency-in-dax_writeback_mapping_range.patch
	fs-exec.c-account-for-argv-envp-pointers.patch
	hid-add-quirk-for-dell-pixart-oem-mouse.patch
	kvm-ppc-book3s-hv-context-switch-ebb-registers-properly.patch
	kvm-ppc-book3s-hv-preserve-userspace-htm-state-properly.patch
	kvm-s390-gaccess-fix-real-space-designation-asce-handling-for-gmap-shadows.patch
	lib-cmdline.c-fix-get_options-overflow-while-parsing-ranges.patch
	perf-x86-intel-add-1g-dtlb-load-store-miss-support-for-skl.patch
	powerpc-perf-fix-oops-when-kthread-execs-user-process.patch
	signal-only-reschedule-timers-on-signals-timers-have-sent.patch
	xen-blkback-don-t-leak-stack-data-via-response-ring.patch
	xen-blkback-fix-disconnect-while-i-os-in-flight.patch