scsi: bfa: Staticify local functions

These calls are not invoked externally.

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

drivers/scsi/bfa/bfa_port.c:760:1: warning: no previous prototype for ‘bfa_cee_isr’ [-Wmissing-prototypes]
760 | bfa_cee_isr(void *cbarg, struct bfi_mbmsg_s *m)
| ^~~~~~~~~~~
drivers/scsi/bfa/bfa_port.c:796:1: warning: no previous prototype for ‘bfa_cee_notify’ [-Wmissing-prototypes]
796 | bfa_cee_notify(void *arg, enum bfa_ioc_event_e event)
| ^~~~~~~~~~~~~~

Link: https://lore.kernel.org/r/[e-mail]
Cc: Anil Gurumurthy <[e-mail]>
Cc: Sudarsana Kalluru <[e-mail]>
Signed-off-by: Lee Jones <[e-mail]>
Signed-off-by: Martin K. Petersen <[e-mail]>

drivers/scsi/bfa/bfa_port.c

···
  * @return void
  */
 
-void
+static void
 bfa_cee_isr(void *cbarg, struct bfi_mbmsg_s *m)
 {
 	union bfi_cee_i2h_msg_u *msg;
···
  * @return void
  */
 
-void
+static void
 bfa_cee_notify(void *arg, enum bfa_ioc_event_e event)
 {
 	struct bfa_cee_s *cee = (struct bfa_cee_s *) arg;