scsi: qla2xxx: Fix NULL pointer access due to redundant fc_host_port_name call

scsi: qla2xxx: Fix NULL pointer access due to redundant fc_host_port_name call

Remove redundant fc_host_port_name calls to prevent early access of
scsi_host->shost_data buffer. This prevent null pointer access.

Following stack trace is seen:

BUG: unable to handle kernel NULL pointer dereference at 00000000000008
IP: qla24xx_report_id_acquisition+0x22d/0x3a0 [qla2xxx]

Cc: <stable@vger.kernel.org> # v4.11+
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>
(cherry picked from commit 0ea88662b5c6404a8f7af6b040b3cf1f0e8c3a66)

Orabug: 27184882

Signed-off-by: Shan Hai <shan.hai@oracle.com>
Reviewed-by: Ethan Zhao <ethan.zhao@oracle.com>