Merge 3.18.98 into android-3.18

Changes in 3.18.98
	ipv6: Skip XFRM lookup if dst_entry in socket cache is valid
	hrtimer: Ensure POSIX compliance (relative CLOCK_REALTIME hrtimers)
	mtd: nand: gpmi: Fix failure when a erased page has a bitflip at BBM
	ipv6: icmp6: Allow icmp messages to be looped back
	sget(): handle failures of register_shrinker()
	spi: atmel: fixed spin_lock usage inside atmel_spi_remove
	net: arc_emac: fix arc_emac_rx() error paths
	scsi: storvsc: Fix scsi_cmd error assignments in storvsc_handle_error
	tg3: Add workaround to restrict 5762 MRRS to 2048
	tg3: Enable PHY reset in MTU change path for 5720
	bnx2x: Improve reliability in case of nested PCI errors
	led: core: Fix brightness setting when setting delay_off=0
	s390/dasd: fix wrongly assigned configuration data
	xfs: quota: fix missed destroy of qi_tree_lock
	xfs: quota: check result of register_shrinker()
	e1000: fix disabling already-disabled warning
	drm/ttm: check the return value of kzalloc
	xen-netfront: enable device after manual module load
	mdio-sun4i: Fix a memory leak
	SolutionEngine771x: fix Ether platform data
	xen/gntdev: Fix off-by-one error when unmapping with holes
	xen/gntdev: Fix partial gntdev_mmap() cleanup
	sctp: make use of pre-calculated len
	net: gianfar_ptp: move set_fipers() to spinlock protecting area
	Linux 3.18.98

Change-Id: I8f1de1074eb6d176aca070cdb76367db89d5266b
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>