4.1-stable patches

4.1-stable patches

added patches:
	arm64-efi-fix-boot-crash-by-not-padding-between-efi_memory_runtime-regions.patch
	arm64-ftrace-fix-function_graph-tracer-panic.patch
	arm64-readahead-fault-retry-breaks-mmap-file-read-random-detection.patch
	clk-ti-fix-dual-registration-of-uart4_ick.patch
	dm-cache-fix-null-pointer-when-switching-from-cleaner-policy.patch
	dm-fix-ab-ba-deadlock-in-__dm_destroy.patch
	drivers-tty-require-read-access-for-controlling-terminal.patch
	fix-a-braino-in-ovl_d_select_inode.patch
	genirq-fix-race-in-register_irq_proc.patch
	igb-do-not-re-init-sr-iov-during-probe.patch
	m68k-define-asmlinkage_protect.patch
	md-bitmap-don-t-pass-1-to-bitmap_storage_alloc.patch
	namei-results-of-d_is_negative-should-be-checked-after-dentry-revalidation.patch
	net-xen-netfront-only-napi_synchronize-if-running.patch
	nfs-filelayout-fix-null-reference-caused-by-double-freeing-of-fh_array.patch
	overlay-call-ovl_drop_write-earlier-in-ovl_dentry_open.patch
	overlayfs-make-f_path-always-point-to-the-overlay-and-f_inode-to-the-underlay.patch
	serial-8250-add-uart_config-entry-for-port_rt2880.patch
	staging-speakup-fix-speakup-r-regression.patch
	tty-fix-stall-caused-by-missing-memory-barrier-in-drivers-tty-n_tty.c.patch