arm: dts: omap5x: Update devicetree header comments to sync with v6.3-rc6

Signed-off-by: Andrew Davis <afd@ti.com>
diff --git a/arch/arm/dts/omap5-gpu-thermal.dtsi b/arch/arm/dts/omap5-gpu-thermal.dtsi
index bc3090f..1b4b7d9 100644
--- a/arch/arm/dts/omap5-gpu-thermal.dtsi
+++ b/arch/arm/dts/omap5-gpu-thermal.dtsi
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Device Tree Source for OMAP543x SoC GPU thermal
  *
- * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
+ * Copyright (C) 2013 Texas Instruments Incorporated - https://www.ti.com/
  * Contact: Eduardo Valentin <eduardo.valentin@ti.com>
- *
- * This file is licensed under the terms of the GNU General Public License
- * version 2.  This program is licensed "as is" without any warranty of any
- * kind, whether express or implied.
  */
 
 #include <dt-bindings/thermal/thermal.h>