dtoc: Increase code coverage to 100%

Add more tests to increase dtoc code coverage to 100%.

Correct a whitespace error in some test .dts files at the same time.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/tools/dtoc/dtoc_test_phandle_bad2.dts b/tools/dtoc/dtoc_test_phandle_bad2.dts
new file mode 100644
index 0000000..fe25f56
--- /dev/null
+++ b/tools/dtoc/dtoc_test_phandle_bad2.dts
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Test device tree file for dtoc
+ *
+ * Copyright 2018 Google, Inc
+ */
+
+/dts-v1/;
+
+/ {
+	phandle: phandle-target {
+		u-boot,dm-pre-reloc;
+		compatible = "target";
+		intval = <0>;
+	};
+
+	phandle-source2 {
+		u-boot,dm-pre-reloc;
+		compatible = "source";
+		clocks = <&phandle>;
+	};
+};