[SCSI] qla2xxx: Add ISP25XX support.

Large code-reuse from ISP24xx, consolidate RISC memory
extraction routines during firmware-dump.

Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 362353d..1612f92 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -206,7 +206,7 @@
 		.name = "optrom",
 		.mode = S_IRUSR | S_IWUSR,
 	},
-	.size = OPTROM_SIZE_24XX,
+	.size = 0,
 	.read = qla2x00_sysfs_read_optrom,
 	.write = qla2x00_sysfs_write_optrom,
 };