Merge 4.14.251 into android-4.14-stable

Changes in 4.14.251
	Partially revert "usb: Kconfig: using select for USB_COMMON dependency"
	USB: cdc-acm: fix racy tty buffer accesses
	USB: cdc-acm: fix break reporting
	ovl: fix missing negative dentry check in ovl_rename()
	nfsd4: Handle the NFSv4 READDIR 'dircount' hint being zero
	xen/balloon: fix cancelled balloon action
	ARM: dts: omap3430-sdp: Fix NAND device node
	ARM: dts: qcom: apq8064: use compatible which contains chipid
	bpf: add also cbpf long jump test cases with heavy expansion
	bpf, mips: Validate conditional branch offsets
	xtensa: call irqchip_init only when CONFIG_USE_OF is selected
	bpf: Fix integer overflow in prealloc_elems_and_freelist()
	phy: mdio: fix memory leak
	net_sched: fix NULL deref in fifo_set_limit()
	powerpc/fsl/dts: Fix phy-connection-type for fm1mac3
	ptp_pch: Load module automatically if ID matches
	ARM: imx6: disable the GIC CPU interface before calling stby-poweroff sequence
	net: bridge: use nla_total_size_64bit() in br_get_linkxstats_size()
	netlink: annotate data races around nlk->bound
	drm/nouveau/debugfs: fix file release memory leak
	rtnetlink: fix if_nlmsg_stats_size() under estimation
	i40e: fix endless loop under rtnl
	i2c: acpi: fix resource leak in reconfiguration device addition
	net: phy: bcm7xxx: Fixed indirect MMD operations
	HID: apple: Fix logical maximum and usage maximum of Magic Keyboard JIS
	netfilter: ip6_tables: zero-initialize fragment offset
	mac80211: Drop frames from invalid MAC address in ad-hoc mode
	m68k: Handle arrivals of multiple signals correctly
	net: sun: SUNVNET_COMMON should depend on INET
	scsi: ses: Fix unsigned comparison with less than zero
	scsi: virtio_scsi: Fix spelling mistake "Unsupport" -> "Unsupported"
	perf/x86: Reset destroy callback on event init failure
	sched: Always inline is_percpu_thread()
	Linux 4.14.251

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I10045fe572035e26d8d1399c70ace241589ac2a2