m68k: add initial dts files for all m68k boards

This patch adds basic dts files for all the m68k boards.

Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Angelo Dureghello <angelo@sysam.it>
[trini: Add CONFIG_TARGET_M5329EVB dtbs and update M5329EVB defconfigs]
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/m68k/dts/M52277EVB_stmicro.dts b/arch/m68k/dts/M52277EVB_stmicro.dts
new file mode 100644
index 0000000..5fd3ca5
--- /dev/null
+++ b/arch/m68k/dts/M52277EVB_stmicro.dts
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2018 Angelo Dureghello <angelo@sysam.it>
+ */
+
+/dts-v1/;
+/include/ "mcf5227x.dtsi"
+
+/ {
+	model = "Freescale M52277_stmicro";
+	compatible = "fsl,M52277_stmicro";
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+};
+
+&uart0 {
+	u-boot,dm-pre-reloc;
+	status = "okay";
+};
+