scsi: qla2xxx: Add new FC-NVMe enable BIT to enable FC-NVMe feature

This patch adds new BIT detection to enable FC-NVMe feature in the driver.

[mkp: fixed Giridhar's SoB]

Signed-off-by: Giridhar Malavali <gmalavali@marvell.com>
Signed-off-by: Himanshu Madhani <hmadhani@marvell.com>
Reviewed-by: Ewan D. Milne <emilne@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>