rockchip: rk3308: Sync device tree from linux v6.8

Sync device tree from linux v6.8 and rename the rockchip,rk3308-mac
compatible in gmac_rockchip driver to match upstream linux.

Also move rk3308-roc-cc gmac node to u-boot.dtsi to not break features
not enabled in upstream device tree.

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/arch/arm/dts/rk3308-rock-pi-s-u-boot.dtsi b/arch/arm/dts/rk3308-rock-pi-s-u-boot.dtsi
index e458fb3..8d34ed1 100644
--- a/arch/arm/dts/rk3308-rock-pi-s-u-boot.dtsi
+++ b/arch/arm/dts/rk3308-rock-pi-s-u-boot.dtsi
@@ -31,3 +31,7 @@
 &uart0_xfer {
 	bootph-all;
 };
+
+&vdd_core {
+	regulator-init-microvolt = <1015000>;
+};