scsi: bfa: Remove unused variable 'adisc'

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/bfa/bfa_fcs_rport.c: In function ‘bfa_fcs_rport_process_adisc’:
 drivers/scsi/bfa/bfa_fcs_rport.c:2243:21: warning: variable ‘adisc’ set but not used [-Wunused-but-set-variable]

Link: https://lore.kernel.org/r/20200723122446.1329773-28-lee.jones@linaro.org
Cc: Anil Gurumurthy <anil.gurumurthy@qlogic.com>
Cc: Sudarsana Kalluru <sudarsana.kalluru@qlogic.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/bfa/bfa_fcs_rport.c

@@ -2240,15 +2240,12 @@ bfa_fcs_rport_process_adisc(struct bfa_fcs_rport_s *rport,
 	struct bfa_fcxp_s *fcxp;
 	struct fchs_s	fchs;
 	struct bfa_fcs_lport_s *port = rport->port;
-	struct fc_adisc_s	*adisc;
 
 	bfa_trc(port->fcs, rx_fchs->s_id);
 	bfa_trc(port->fcs, rx_fchs->d_id);
 
 	rport->stats.adisc_rcvd++;
 
-	adisc = (struct fc_adisc_s *) (rx_fchs + 1);
-
 	/*
 	 * Accept if the itnim for this rport is online.
 	 * Else reject the ADISC.