scsi: ufs-qcom: fix compilation warning if compiled as a module

scsi: ufs-qcom: fix compilation warning if compiled as a module

This change fixes a compilation warning that happens if SCSI_UFS_QCOM is
compiled as a module.  Also this patch fixes an error happens when
insmod the module: "ufs_qcom: module license 'unspecified' taints
kernel."

Reviewed-by: Akinobu Mita <[email protected]>
Reviewed-by: Subhash Jadavani <[email protected]>
Reviewed-by: Gilad Broner <[email protected]>
Signed-off-by: Yaniv Gardi <[email protected]>
Reviewed-by: Hannes Reinecke <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>