Merge 3.18.87 into android-3.18

Changes in 3.18.87
	bcache: only permit to recovery read error when cache device is clean
	bcache: recover data from backing when data is clean
	serial: 8250_fintek: Fix rs485 disablement on invalid ioctl()
	spi: sh-msiof: Fix DMA transfer size check
	EDAC, sb_edac: Fix missing break in switch
	sysrq : fix Show Regs call trace on ARM
	perf test attr: Fix ignored test case result
	ARM: OMAP1: DMA: Correct the number of logical channels
	vti6: fix device register to report IFLA_INFO_KIND
	net/appletalk: Fix kernel memory disclosure
	NFSv4: Fix client recovery when server reboots multiple times
	net: sctp: fix array overrun read on sctp_timer_tbl
	tipc: fix cleanup at module unload
	mm: avoid returning VM_FAULT_RETRY from ->page_mkwrite handlers
	net: fec: fix multicast filtering hardware setup
	ima: fix hash algorithm initialization
	uas: Always apply US_FL_NO_ATA_1X quirk to Seagate devices
	usb: quirks: Add no-lpm quirk for KY-688 USB 3.1 Type-C Hub
	serial: 8250_pci: Add Amazon PCI serial device ID
	usb: hub: Cycle HUB power when initialization fails
	USB: Increase usbfs transfer limit
	USB: devio: Prevent integer overflow in proc_do_submiturb()
	USB: usbfs: Filter flags passed in from user space
	usb: host: fix incorrect updating of offset
	Linux 3.18.87

Change-Id: Ic86fb27c91345d6b395f7d2d43dbc3aff037b83a
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>