scsi: bfa: bfa_fcs_lport.c: make bfa_fcport_get_loop_attr() static

Fix the following sparse warning:

drivers/scsi/bfa/bfa_fcs_lport.c:1287:1: warning: symbol
'bfa_fcport_get_loop_attr' was not declared. Should it be static?

Link: https://lore.kernel.org/r/20200407032202.36789-5-yanaijie@huawei.comReported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Jason Yan <yanaijie@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/bfa/bfa_fcs_lport.c

@@ -1283,7 +1283,7 @@ bfa_fcs_lport_n2n_offline(struct bfa_fcs_lport_s *port)
 	n2n_port->reply_oxid = 0;
 }
 
-void
+static void
 bfa_fcport_get_loop_attr(struct bfa_fcs_lport_s *port)
 {
 	int i = 0, j = 0, bit = 0, alpa_bit = 0;