Merge 4.19.166 into android-4.19-stable

Changes in 4.19.166
	Revert "mtd: spinand: Fix OOB read"
	dmaengine: at_hdmac: Substitute kzalloc with kmalloc
	dmaengine: at_hdmac: add missing put_device() call in at_dma_xlate()
	dmaengine: at_hdmac: add missing kfree() call in at_dma_xlate()
	kdev_t: always inline major/minor helper functions
	iio:imu:bmi160: Fix alignment and data leak issues
	iio:magnetometer:mag3110: Fix alignment and data leak issues.
	mwifiex: Fix possible buffer overflows in mwifiex_cmd_802_11_ad_hoc_start
	Linux 4.19.166

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ib7d0ce70832eb58e4aed2b7b6f29082184f64299