Use <inttypes.h> format specifiers in a bunch of places we should

Rather than assuming that uint32_t is the same thing as unsigned.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>

flattree.c

@@ -393,7 +393,7 @@ void dt_to_blob(FILE *f, struct dt_info *dti, int version)
 			padlen = 0;
 			if (quiet < 1)
 				fprintf(stderr,
-					"Warning: blob size %u >= minimum size %d\n",
+					"Warning: blob size %"PRIu32" >= minimum size %d\n",
 					fdt32_to_cpu(fdt.totalsize), minsize);
 		}
 	}