4.4-stable patches

4.4-stable patches

added patches:
	arc-unwind-ensure-that-.debug_frame-is-generated-vs.-.eh_frame.patch
	arc-unwind-warn-only-once-if-dw2_unwind-is-disabled.patch
	dmaengine-at_xdmac-align-descriptors-on-64-bits.patch
	dmaengine-at_xdmac-double-fifo-flush-needed-to-compute-residue.patch
	dmaengine-at_xdmac-fix-residue-corruption.patch
	fs-nilfs2-fix-potential-underflow-in-call-to-crc32_le.patch
	kernel-sysrq-watchdog-sched-core-reset-watchdog-on-all-cpus-while-processing-sysrq-w.patch
	mm-compaction-abort-free-scanner-if-split-fails.patch
	mm-compaction-prevent-vm_bug_on-when-terminating-freeing-scanner.patch
	mm-meminit-always-return-a-valid-node-from-early_pfn_to_nid.patch
	mm-meminit-ensure-node-is-online-before-checking-whether-pages-are-uninitialised.patch
	mm-slb-add-__gfp_atomic-to-the-gfp-reclaim-mask.patch
	perf-test-ignore-kcore-files-in-the-vmlinux-matches-kallsyms-test.patch
	pps-do-not-crash-when-failed-to-register.patch
	vmlinux.lds-account-for-destructor-sections.patch
	x86-quirks-add-early-quirk-to-reset-apple-airport-card.patch
	x86-quirks-apply-nvidia_bugs-quirk-only-on-root-bus.patch
	x86-quirks-reintroduce-scanning-of-secondary-buses.patch
	xen-pciback-fix-conf_space-read-write-overlap-check.patch
	xenbus-don-t-bail-early-from-xenbus_dev_request_and_reply.patch
	xenbus-don-t-bug-on-user-mode-induced-condition.patch