Merge 3.18.69 into android-3.18

Changes in 3.18.69
	scsi: isci: avoid array subscript warning
	ALSA: au88x0: Fix zero clear of stream->resources
	gcov: add support for GCC 5.1
	gcov: add support for gcc version >= 6
	gcov: support GCC 7.1
	p54: memset(0) whole array
	arm64: mm: abort uaccess retries upon fatal signal
	lib: bitmap: add alignment offset for bitmap_find_next_zero_area()
	mm: cma: align to physical address, not CMA region position
	mm/cma: make kmemleak ignore CMA regions
	mm: cma: split cma-reserved in dmesg log
	mm: cma: fix totalcma_pages to include DT defined CMA regions
	mm: cma: fix CMA aligned offset calculation
	mm: cma: constify and use correct signness in mm/cma.c
	mm: cma: fix incorrect type conversion for size during dma allocation
	x86/io: Add "memory" clobber to insb/insw/insl/outsb/outsw/outsl
	arm64: flush FP/SIMD state correctly after execve()
	arm64: fpsimd: Prevent registers leaking across exec
	x86-64: Handle PC-relative relocations on per-CPU data
	x86/tools: Fix gcc-7 warning in relocs.c
	clk: si5351: Constify clock names and struct regmap_config
	scsi: sg: protect accesses to 'reserved' page array
	scsi: sg: reset 'res_in_use' after unlinking reserved array
	Linux 3.18.69

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