powerpc/ps3: Quiet dmesg output

Change the debug message in dma_sb_region_create() from
pr_info() to DBG() to quiet the dmesg output.
Signed-off-by: NGeoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: NPaul Mackerras <paulus@samba.org>

arch/powerpc/platforms/ps3/mm.c

@@ -649,7 +649,7 @@ static int dma_sb_region_create(struct ps3_dma_region *r)
 {
 	int result;
 
-	pr_info(" -> %s:%d:\n", __func__, __LINE__);
+	DBG(" -> %s:%d:\n", __func__, __LINE__);
 
 	BUG_ON(!r);