[SCSI] qla2xxx: Correct overflow during dump-processing on large-memory ISP23xx parts.

Total ram words can exceed a 16bit value on large-memory boards.
Safely extend to a 32bit width.
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

drivers/scsi/qla2xxx/qla_dbg.c

@@ -216,7 +216,7 @@ qla24xx_soft_reset(scsi_qla_host_t *ha)
 
 static int
 qla2xxx_dump_ram(scsi_qla_host_t *ha, uint32_t addr, uint16_t *ram,
-    uint16_t ram_words, void **nxt)
+    uint32_t ram_words, void **nxt)
 {
 	int rval;
 	uint32_t cnt, stat, timer, words, idx;