Merge 4.9.315 into android-4.9-q

Changes in 4.9.315
	net: Fix features skip in for_each_netdev_feature()
	ipv4: drop dst in multicast routing path
	netlink: do not reset transport header in netlink_recvmsg()
	mac80211_hwsim: call ieee80211_tx_prepare_skb under RCU protection
	s390/ctcm: fix variable dereferenced before check
	s390/ctcm: fix potential memory leak
	s390/lcs: fix variable dereferenced before check
	net: sfc: ef10: fix memory leak in efx_ef10_mtd_probe()
	hwmon: (f71882fg) Fix negative temperature
	ASoC: max98090: Reject invalid values in custom control put()
	ASoC: max98090: Generate notifications on changes for custom control
	ASoC: ops: Validate input values in snd_soc_put_volsw_range()
	usb: cdc-wdm: fix reading stuck on device close
	USB: serial: pl2303: add device id for HP LM930 Display
	USB: serial: qcserial: add support for Sierra Wireless EM7590
	USB: serial: option: add Fibocom L610 modem
	USB: serial: option: add Fibocom MA510 modem
	ping: fix address binding wrt vrf
	tty/serial: digicolor: fix possible null-ptr-deref in digicolor_uart_probe()
	Linux 4.9.315

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I5f5db74e3544c572d998c8c0fc1a107acea692f4