UAPI: scsi: move the scsi ioctl related files

The scsi ioctl related files are meant to be used from
userspace and hence should be in the appropriate include/uapi
directory.

Change-Id: Id6b14f353284a9ddac0d58b6b90e17561e2645aa
Signed-off-by: Krishna Konda <kkonda@codeaurora.org>
Signed-off-by: Abhimanyu Kapur <abhimany@codeaurora.org>
Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>