arm64: dts: mediatek: cherry: Describe CPU supplies

Describe in each CPU node the regulator supplying it.

Fixes: 260c04d ("arm64: dts: mediatek: cherry: Enable MT6315 regulators on SPMI bus")
Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20240110142305.755367-2-nfraprado@collabora.com
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>

Author: nfraprado

arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi

@@ -264,6 +264,38 @@
 	status = "okay";
 };
 
+&cpu0 {
+	cpu-supply = <&mt6359_vcore_buck_reg>;
+};
+
+&cpu1 {
+	cpu-supply = <&mt6359_vcore_buck_reg>;
+};
+
+&cpu2 {
+	cpu-supply = <&mt6359_vcore_buck_reg>;
+};
+
+&cpu3 {
+	cpu-supply = <&mt6359_vcore_buck_reg>;
+};
+
+&cpu4 {
+	cpu-supply = <&mt6315_6_vbuck1>;
+};
+
+&cpu5 {
+	cpu-supply = <&mt6315_6_vbuck1>;
+};
+
+&cpu6 {
+	cpu-supply = <&mt6315_6_vbuck1>;
+};
+
+&cpu7 {
+	cpu-supply = <&mt6315_6_vbuck1>;
+};
+
 &dp_intf0 {
 	status = "okay";