5.5-stable patches

5.5-stable patches

added patches:
	arm64-compat-fix-syscall-number-of-compat_clock_getres.patch
	btrfs-fix-log-context-list-corruption-after-rename-whiteout-error.patch
	drm-amd-amdgpu-fix-gpr-read-from-debugfs-v2.patch
	drm-lease-fix-warning-in-idr_destroy.patch
	epoll-fix-possible-lost-wakeup-on-epoll_ctl-path.patch
	memcg-fix-null-pointer-dereference-in-__mem_cgroup_usage_unregister_event.patch
	mm-do-not-allow-madv_pageout-for-cow-pages.patch
	mm-hotplug-fix-hot-remove-failure-in-sparsemem-vmemmap-case.patch
	mm-memcg-fix-corruption-on-64-bit-divisor-in-memory.high-throttling.patch
	mm-memcg-throttle-allocators-based-on-ancestral-memory.high.patch
	mm-slub-be-more-careful-about-the-double-cmpxchg-of-freelist.patch
	mm-slub-prevent-kmalloc_node-crashes-and-memory-leaks.patch
	page-flags-fix-a-crash-at-setpageerror-thp_swap.patch
	rtc-max8907-add-missing-select-regmap_irq.patch
	stm-class-sys-t-fix-the-use-of-time_after.patch
	x86-mm-split-vmalloc_sync_all.patch
	xhci-do-not-open-code-__print_symbolic-in-xhci-trace-events.patch