Merge 4.9.227 into android-4.9-q

Changes in 4.9.227
	scsi: scsi_devinfo: fixup string compare
	usb: gadget: f_uac2: fix error handling in afunc_bind (again)
	esp6: fix memleak on error path in esp6_input
	spi: dw: use "smp_mb()" to avoid sending spi data error
	s390/ftrace: save traced function caller
	ARC: Fix ICCM & DCCM runtime size checks
	x86/mmiotrace: Use cpumask_available() for cpumask_var_t variables
	net: bmac: Fix read of MAC address from ROM
	net/ethernet/freescale: rework quiesce/activate for ucc_geth
	net: ethernet: stmmac: Enable interface clocks on probe for IPQ806x
	net: smsc911x: Fix runtime PM imbalance on error
	pppoe: only process PADT targeted at local interfaces
	mm: Fix mremap not considering huge pmd devmap
	HID: i2c-hid: add Schneider SCL142ALM to descriptor override
	p54usb: add AirVasT USB stick device-id
	kernel/relay.c: handle alloc_percpu returning NULL in relay_open
	mmc: fix compilation of user API
	slcan: Fix double-free on slcan_open() error path
	slip: not call free_netdev before rtnl_unlock in slip_open
	scsi: ufs: Release clock if DMA map fails
	airo: Fix read overflows sending packets
	devinet: fix memleak in inetdev_init()
	l2tp: do not use inet_hash()/inet_unhash()
	net: usb: qmi_wwan: add Telit LE910C1-EUX composition
	NFC: st21nfca: add missed kfree_skb() in an error path
	vsock: fix timeout in vsock_accept()
	l2tp: add sk_family checks to l2tp_validate_socket
	USB: serial: qcserial: add DW5816e QDL support
	USB: serial: usb_wwan: do not resubmit rx urb on fatal errors
	USB: serial: option: add Telit LE910C1-EUX compositions
	usb: musb: Fix runtime PM imbalance on error
	vt: keyboard: avoid signed integer overflow in k_ascii
	tty: hvc_console, fix crashes on parallel open/close
	staging: rtl8712: Fix IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK
	nvmem: qfprom: remove incorrect write support
	x86/cpu: Add a steppings field to struct x86_cpu_id
	x86/cpu: Add 'table' argument to cpu_matches()
	x86/speculation: Add Special Register Buffer Data Sampling (SRBDS) mitigation
	x86/speculation: Add SRBDS vulnerability and mitigation documentation
	x86/speculation: Add Ivy Bridge to affected list
	iio: vcnl4000: Fix i2c swapped word reading.
	uprobes: ensure that uprobe->offset and ->ref_ctr_offset are properly aligned
	Linux 4.9.227

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ie391f1bd1785679263f1e375f0530e45459b58ed