DM: thermal: Add imx thermal DM driver

Add a new thermal uclass for thermal sensor and implement the imx
thermal driver basing on this uclass.

Signed-off-by: Ye.Li <B37916@freescale.com>
Acked-by: Stefano Babic <sbabic@denx.de>

include/imx_thermal.h

@@ -0,0 +1,17 @@
+/*
+ *
+ * (C) Copyright 2014 Freescale Semiconductor, Inc
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef _IMX_THERMAL_H_
+#define _IMX_THERMAL_H_
+
+struct imx_thermal_plat {
+	void *regs;
+	int fuse_bank;
+	int fuse_word;
+};
+
+#endif	/* _IMX_THERMAL_H_ */