scsi: ufs: add ioctl interface for query request

This patch exposes the ioctl interface for UFS driver via SCSI device
ioctl interface. As of now UFS driver would provide the ioctl for query
interface to connected UFS device.

Change-Id: I7a5cea8de925dc0ecb6643774321e2c3690c504e
Signed-off-by: Dolev Raviv <draviv@codeaurora.org>