ppc4xx: Add additional debug info to 4xx fdt support

Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/cpu/ppc4xx/fdt.c b/cpu/ppc4xx/fdt.c
index a1c81e6..2acb250 100644
--- a/cpu/ppc4xx/fdt.c
+++ b/cpu/ppc4xx/fdt.c
@@ -123,6 +123,8 @@
 		tmp[0] = cpu_to_fdt32(bd->bi_memstart);
 		tmp[1] = cpu_to_fdt32(bd->bi_memsize);
 		fdt_setprop(blob, offset, "reg", tmp, sizeof(tmp));
+		debug("Updating /memory node to %d:%d\n",
+		      bd->bi_memstart, bd->bi_memsize);
 	}
 
 	/*