4.4-stable patches

4.4-stable patches

added patches:
	alsa-control-fix-a-redundant-copy-issue.patch
	alsa-hda-add-lenovo-c50-all-in-one-to-the-power_save-blacklist.patch
	alsa-usb-mixer-volume-quirk-for-cm102-a-102s.patch
	cpufreq-intel_pstate-enable-hwp-by-default.patch
	cpuidle-coupled-remove-unused-define-cpuidle_coupled_lock.patch
	mm-filemap-avoid-unnecessary-calls-to-lock_page-when-waiting-for-io-to-complete-during-a-read.patch
	mm-filemap-remove-redundant-code-in-do_read_cache_page.patch
	powerpc-don-t-preempt_disable-in-show_cpuinfo.patch
	powerpc-powernv-panic-on-opal-v3.patch
	powerpc-powernv-remove-fw_feature_opalv3-and-just-use-fw_feature_opal.patch
	powerpc-powernv-remove-opalv2-firmware-define-and-references.patch
	proc-meminfo-estimate-available-memory-more-conservatively.patch
	signals-avoid-unnecessary-taking-of-sighand-siglock.patch
	spi-pxa2xx-allow-64-bit-dma.patch
	tracing-x86-xen-remove-zero-data-size-trace-events-trace_xen_mmu_flush_tlb-_all.patch
	usbip-usbip_host-delete-device-from-busid_table-after-rebind.patch
	usbip-usbip_host-fix-bad-unlock-balance-during-stub_probe.patch
	usbip-usbip_host-fix-null-ptr-deref-and-use-after-free-errors.patch
	usbip-usbip_host-refine-probe-and-disconnect-debug-msgs-to-be-useful.patch
	usbip-usbip_host-run-rebind-from-exit-when-module-is-removed.patch
	vmscan-do-not-force-scan-file-lru-if-its-absolute-size-is-small.patch