scsi: qla1280: Make checking for 64bit support consistent

Use #ifdef QLA_64BIT_PTR to check if 64bit support is enabled.  This
fixes ("scsi: qla1280: Fix dma firmware download, if dma address is
64bit").

Link: https://lore.kernel.org/r/20200117115628.13219-1-tbogendoerfer@suse.deSigned-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/qla1280.c

@@ -1699,7 +1699,7 @@ qla1280_load_firmware_pio(struct scsi_qla_host *ha)
 	return err;
 }
 
-#if QLA_64BIT_PTR
+#ifdef QLA_64BIT_PTR
 #define LOAD_CMD	MBC_LOAD_RAM_A64_ROM
 #define DUMP_CMD	MBC_DUMP_RAM_A64_ROM
 #define CMD_ARGS	(BIT_7 | BIT_6 | BIT_4 | BIT_3 | BIT_2 | BIT_1 | BIT_0)