Merge 3.18.58 into android-3.18

Changes in 3.18.58
	s390/vmem: fix identity mapping
	partitions/msdos: FreeBSD UFS2 file systems are not recognized
	Call echo service immediately after socket reconnect
	net: xilinx_emaclite: fix freezes due to unordered I/O
	net: xilinx_emaclite: fix receive buffer overflow
	ipv6: Handle IPv4-mapped src to in6addr_any dst.
	ipv6: Inhibit IPv4-mapped src address on the wire.
	log2: make order_base_2() behave correctly on const input value zero
	sparc64: make string buffers large enough
	configfs: Fix race between create_link and configfs_rmdir
	can: gs_usb: fix memory leak in gs_cmd_reset()
	cpufreq: conservative: Allow down_threshold to take values from 1 to 10
	vb2: Fix an off by one error in 'vb2_plane_vaddr'
	mac80211: don't look at the PM bit of BAR frames
	serial: efm32: Fix parity management in 'efm32_uart_console_get_options()'
	x86/mm/32: Set the '__vmalloc_start_set' flag in initmem_init()
	mfd: omap-usb-tll: Fix inverted bit use for USB TLL mode
	staging: rtl8188eu: prevent an underflow in rtw_check_beacon_data()
	iio: proximity: as3935: recalibrate RCO after resume
	USB: hub: fix SS max number of ports
	usb: core: fix potential memory leak in error path during hcd creation
	pvrusb2: reduce stack usage pvr2_eeprom_analyze()
	USB: gadget: dummy_hcd: fix hub-descriptor removable fields
	usb: r8a66597-hcd: select a different endpoint on timeout
	usb: r8a66597-hcd: decrease timeout
	drivers/misc/c2port/c2port-duramar2150.c: checking for NULL instead of IS_ERR()
	usb: xhci: ASMedia ASM1042A chipset need shorts TX quirk
	mm/memory-failure.c: use compound_head() flags for huge pages
	swap: cond_resched in swap_cgroup_prepare()
	genirq: Release resources in __setup_irq() error path
	alarmtimer: Rate limit periodic intervals
	mm: larger stack guard gap, between vmas
	Allow stack to grow up to address space limit
	mm: fix new crash in unmapped_area_topdown()
	Linux 3.18.58

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