arm64: dts: imx8mn-beacon: Support overdrive mode

The SoC is configured to operate in overdrive mode, so it
is safe to include imx8mn-overdrive to run the GPU faster.
Signed-off-by: Adam Ford <aford173@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/imx8mn-beacon-som.dtsi

@@ -3,6 +3,8 @@
  * Copyright 2020 Compass Electronics Group, LLC
  */
 
+#include "imx8mn-overdrive.dtsi"
+
 / {
 	aliases {
 		rtc0 = &rtc;