4.9-stable patches

4.9-stable patches

added patches:
	alsa-hda-revert-power_save-option-default-value.patch
	alsa-pcm-fix-uaf-in-snd_pcm_oss_get_formats.patch
	alsa-seq-clear-client-entry-before-deleting-else-at-closing.patch
	alsa-seq-fix-possible-uaf-in-snd_seq_check_queue.patch
	drm-amdgpu-dce-don-t-turn-off-dp-sink-when-disconnected.patch
	drm-amdgpu-fix-prime-teardown-order.patch
	fs-aio-add-explicit-rcu-grace-period-when-freeing-kioctx.patch
	fs-aio-use-rcu-accessors-for-kioctx_table-table.patch
	fs-teach-path_connected-to-handle-nfs-filesystems-with-multiple-roots.patch
	lock_parent-needs-to-recheck-if-dentry-got-__dentry_kill-ed-under-it.patch
	parisc-handle-case-where-flush_cache_range-is-called-with-no-context.patch
	selftests-x86-add-tests-for-the-str-and-sldt-instructions.patch
	selftests-x86-add-tests-for-user-mode-instruction-prevention.patch
	selftests-x86-entry_from_vm86-add-test-cases-for-popf.patch
	selftests-x86-entry_from_vm86-exit-with-1-if-we-fail.patch
	x86-cpufeatures-add-intel-pconfig-cpufeature.patch
	x86-mm-fix-vmalloc_fault-to-use-pxd_large.patch
	x86-speculation-objtool-annotate-indirect-calls-jumps-for-objtool-on-32-bit-kernels.patch
	x86-speculation-remove-skylake-c2-from-speculation-control-microcode-blacklist.patch
	x86-vm86-32-fix-popf-emulation.patch