Merge 4.9.148 into android-4.9

Changes in 4.9.148
	block: break discard submissions into the user defined size
	block: fix infinite loop if the device loses discard capability
	ib_srpt: Fix a use-after-free in __srpt_close_all_ch()
	USB: hso: Fix OOB memory access in hso_probe/hso_get_config_data
	xhci: Don't prevent USB2 bus suspend in state check intended for USB3 only
	USB: serial: option: add GosunCn ZTE WeLink ME3630
	USB: serial: option: add HP lt4132
	USB: serial: option: add Simcom SIM7500/SIM7600 (MBIM mode)
	USB: serial: option: add Fibocom NL668 series
	USB: serial: option: add Telit LN940 series
	mmc: core: Reset HPI enabled state during re-init and in case of errors
	mmc: core: Allow BKOPS and CACHE ctrl even if no HPI support
	mmc: core: Use a minimum 1600ms timeout when enabling CACHE ctrl
	mmc: omap_hsmmc: fix DMA API warning
	gpio: max7301: fix driver for use with CONFIG_VMAP_STACK
	Drivers: hv: vmbus: Return -EINVAL for the sys files for unopened channels
	x86/mtrr: Don't copy uninitialized gentry fields back to userspace
	x86/fpu: Disable bottom halves while loading FPU registers
	ubifs: Handle re-linking of inodes correctly while recovery
	panic: avoid deadlocks in re-entrant console drivers
	proc/sysctl: don't return ENOMEM on lookup when a table is unregistering
	drm/ioctl: Fix Spectre v1 vulnerabilities
	Linux 4.9.148

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