arm: dts: dra7x: Update devicetree header comments to sync with v6.3-rc6

Signed-off-by: Andrew Davis <afd@ti.com>
diff --git a/arch/arm/dts/dra7-mmc-iodelay.dtsi b/arch/arm/dts/dra7-mmc-iodelay.dtsi
index 4acc215..d46a1c0 100644
--- a/arch/arm/dts/dra7-mmc-iodelay.dtsi
+++ b/arch/arm/dts/dra7-mmc-iodelay.dtsi
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
  * MMC IOdelay values for TI's DRA7xx SoCs.
- * Copyright (C) 2019 Texas Instruments
+ * Copyright (C) 2018 Texas Instruments
  * Author: Faiz Abbas <faiz_abbas@ti.com>
  */