ARM64: dts: meson-gx: update AO clkc to new bindings

The AO clkc needs to be updated to new bindings with an system control parent
node and moving the clkc node as subnode.

Also adds the SoC specific compatible following the bindings requirements.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>

arch/arm64/boot/dts/amlogic/meson-gx.dtsi

@@ -367,12 +367,16 @@ aobus: aobus@c8100000 {
 			#size-cells = <2>;
 			ranges = <0x0 0x0 0x0 0xc8100000 0x0 0x100000>;
 
-			clkc_AO: clock-controller@040 {
-				compatible = "amlogic,gx-aoclkc", "amlogic,gxbb-aoclkc";
-				reg = <0x0 0x00040 0x0 0x4>;
+			sysctrl_AO: sys-ctrl@0 {
+				compatible = "amlogic,meson-gx-ao-sysctrl", "syscon", "simple-mfd";
+				reg =  <0x0 0x0 0x0 0x100>;
+
+				clkc_AO: clock-controller {
+					compatible = "amlogic,meson-gx-aoclkc";
 					#clock-cells = <1>;
 					#reset-cells = <1>;
 				};
+			};
 
 			sec_AO: ao-secure@140 {
 				compatible = "amlogic,meson-gx-ao-secure", "syscon";

arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi

@@ -307,6 +307,10 @@ spifc: spi@8c80 {
 	};
 };
 
+&clkc_AO {
+	compatible = "amlogic,meson-gxbb-aoclkc", "amlogic,meson-gx-aoclkc";
+};
+
 &ethmac {
 	clocks = <&clkc CLKID_ETH>,
 		 <&clkc CLKID_FCLK_DIV2>,

arch/arm64/boot/dts/amlogic/meson-gxl.dtsi

@@ -207,6 +207,10 @@ mux {
 	};
 };
 
+&clkc_AO {
+	compatible = "amlogic,meson-gxl-aoclkc", "amlogic,meson-gx-aoclkc";
+};
+
 &hdmi_tx {
 	compatible = "amlogic,meson-gxl-dw-hdmi", "amlogic,meson-gx-dw-hdmi";
 	resets = <&reset RESET_HDMITX_CAPB3>,

arch/arm64/boot/dts/amlogic/meson-gxm.dtsi

@@ -117,6 +117,10 @@ cpu7: cpu@103 {
 	};
 };
 
+&clkc_AO {
+	compatible = "amlogic,meson-gxm-aoclkc", "amlogic,meson-gx-aoclkc";
+};
+
 &saradc {
 	compatible = "amlogic,meson-gxm-saradc", "amlogic,meson-saradc";
 };