scsi: qla2xxx: Use fabric name for Get Port Speed command

scsi: qla2xxx: Use fabric name for Get Port Speed command

BugLink: http://bugs.launchpad.net/bugs/1720154
commit b2e8ae3f0e342a3308b4573790bd42528e51885a upstream.

The Get Port Speed switch command needs the fabric port name of the
remote device.  Current code uses the registered WWPN.

Fixes: 726b85487067d ("qla2xxx: Add framework for async fabric discovery")
Cc: <stable@vger.kernel.org> # 4.10+
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>