scsi: ufs-qcom: Add ioctl interface for ufs query requests

This patch exposes the ioctl interface for UFS driver via SCSI device
ioctl interface, so that query requests can be sent to UFS device.

Change-Id: I01bcfcfbbb14f2b57560be73039814b80fb1f55f
Signed-off-by: Can Guo <cang@codeaurora.org>