scsi: Introduce scsi_start_queue()

scsi: Introduce scsi_start_queue()

This patch does not change any functionality.

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Cc: Israel Rukshin <israelr@mellanox.com>
Cc: Max Gurtovoy <maxg@mellanox.com>
Cc: Benjamin Block <bblock@linux.vnet.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Orabug: 27546768
(cherry picked from commit 66483a4a9f34427e3d6ec87d8e583f5d2a7cbb76)
Signed-off-by: Kyle Fortin <kyle.fortin@oracle.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>