scsi: bfa: use ARRAY_SIZE for array sizing calculation on array __pciids

Use the ARRAY_SIZE macro on array __pciids to determine size of the
array.  Improvement suggested by coccinelle.
Signed-off-by: NColin Ian King <colin.king@canonical.com>
Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/bfa/bfa_core.c

@@ -1957,7 +1957,7 @@ bfa_get_pciids(struct bfa_pciid_s **pciids, int *npciids)
 		{BFA_PCI_VENDOR_ID_BROCADE, BFA_PCI_DEVICE_ID_CT_FC},
 	};
 
-	*npciids = sizeof(__pciids) / sizeof(__pciids[0]);
+	*npciids = ARRAY_SIZE(__pciids);
 	*pciids = __pciids;
 }