Merge 4.4.186 into android-4.4

Merge 4.4.186 into android-4.4

Changes in 4.4.186
	Input: elantech - enable middle button support on 2 ThinkPads
	samples, bpf: fix to change the buffer size for read()
	mac80211: mesh: fix RCU warning
	mwifiex: Fix possible buffer overflows at parsing bss descriptor
	dt-bindings: can: mcp251x: add mcp25625 support
	can: mcp251x: add support for mcp25625
	Input: imx_keypad - make sure keyboard can always wake up system
	ARM: davinci: da850-evm: call regulator_has_full_constraints()
	ARM: davinci: da8xx: specify dma_coherent_mask for lcdc
	md: fix for divide error in status_resync
	bnx2x: Check if transceiver implements DDM before access
	udf: Fix incorrect final NOT_ALLOCATED (hole) extent length
	x86/ptrace: Fix possible spectre-v1 in ptrace_get_debugreg()
	x86/tls: Fix possible spectre-v1 in do_get_thread_area()
	mwifiex: Abort at too short BSS descriptor element
	mwifiex: Fix heap overflow in mwifiex_uap_parse_tail_ies()
	fscrypt: don't set policy for a dead directory
	mwifiex: Don't abort on small, spec-compliant vendor IEs
	USB: serial: ftdi_sio: add ID for isodebug v1
	USB: serial: option: add support for GosunCn ME3630 RNDIS mode
	usb: gadget: ether: Fix race between gether_disconnect and rx_submit
	usb: renesas_usbhs: add a workaround for a race condition of workqueue
	staging: comedi: dt282x: fix a null pointer deref on interrupt
	staging: comedi: amplc_pci230: fix null pointer deref on interrupt
	carl9170: fix misuse of device driver API
	VMCI: Fix integer overflow in VMCI handle arrays
	MIPS: Remove superfluous check for __linux__
	e1000e: start network tx queue only when link is up
	perf/core: Fix perf_sample_regs_user() mm check
	ARM: omap2: remove incorrect __init annotation
	be2net: fix link failure after ethtool offline test
	ppp: mppe: Add softdep to arc4
	sis900: fix TX completion
	dm verity: use message limit for data block corruption message
	kvm: x86: avoid warning on repeated KVM_SET_TSS_ADDR
	ARC: hide unused function unw_hdr_alloc
	s390: fix stfle zero padding
	s390/qdio: (re-)initialize tiqdio list entries
	s390/qdio: don't touch the dsci in tiqdio_add_input_queues()
	KVM: x86: protect KVM_CREATE_PIT/KVM_CREATE_PIT2 with kvm->lock
	Linux 4.4.186

Change-Id: Ie2eb68e394f94310d144fdba04d7ebfb3cb63cb7
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>