rockchip: rk356x: Sync device tree from linux v6.8-rc1

Sync rk356x device tree from linux v6.8-rc1.

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/arch/arm/dts/rk3566-radxa-cm3-io.dts b/arch/arm/dts/rk3566-radxa-cm3-io.dts
index 1b1c67d..3ae24e3 100644
--- a/arch/arm/dts/rk3566-radxa-cm3-io.dts
+++ b/arch/arm/dts/rk3566-radxa-cm3-io.dts
@@ -14,6 +14,7 @@
 	compatible = "radxa,cm3-io", "radxa,cm3", "rockchip,rk3566";
 
 	aliases {
+		ethernet0 = &gmac1;
 		mmc1 = &sdmmc0;
 	};