arm64: dts: ti: k3-am64: Merge the two main_conf nodes

There are two nodes representing the same register space, this looks to
have been created by some merge or copy/paste error. Remove the second
instance of this node and move its children into the first instance.
Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20230802174521.236255-2-afd@ti.comSigned-off-by: Nishanth Menon <nm@ti.com>

arch/arm64/boot/dts/ti/k3-am64-main.dtsi

@@ -44,11 +44,28 @@ main_conf: syscon@43000000 {
 		#size-cells = <1>;
 		ranges = <0x0 0x0 0x43000000 0x20000>;
 
+		chipid@14 {
+			compatible = "ti,am654-chipid";
+			reg = <0x00000014 0x4>;
+		};
+
 		serdes_ln_ctrl: mux-controller {
 			compatible = "mmio-mux";
 			#mux-control-cells = <1>;
 			mux-reg-masks = <0x4080 0x3>; /* SERDES0 lane0 select */
 		};
+
+		phy_gmii_sel: phy@4044 {
+			compatible = "ti,am654-phy-gmii-sel";
+			reg = <0x4044 0x8>;
+			#phy-cells = <1>;
+		};
+
+		epwm_tbclk: clock@4140 {
+			compatible = "ti,am64-epwm-tbclk";
+			reg = <0x4130 0x4>;
+			#clock-cells = <1>;
+		};
 	};
 
 	gic500: interrupt-controller@1800000 {
@@ -203,31 +220,6 @@ main_pmx0: pinctrl@f4000 {
 		pinctrl-single,function-mask = <0xffffffff>;
 	};
 
-	main_conf: syscon@43000000 {
-		compatible = "syscon", "simple-mfd";
-		reg = <0x00 0x43000000 0x00 0x20000>;
-		#address-cells = <1>;
-		#size-cells = <1>;
-		ranges = <0x00 0x00 0x43000000 0x20000>;
-
-		chipid@14 {
-			compatible = "ti,am654-chipid";
-			reg = <0x00000014 0x4>;
-		};
-
-		phy_gmii_sel: phy@4044 {
-			compatible = "ti,am654-phy-gmii-sel";
-			reg = <0x4044 0x8>;
-			#phy-cells = <1>;
-		};
-
-		epwm_tbclk: clock@4140 {
-			compatible = "ti,am64-epwm-tbclk";
-			reg = <0x4130 0x4>;
-			#clock-cells = <1>;
-		};
-	};
-
 	main_timer0: timer@2400000 {
 		compatible = "ti,am654-timer";
 		reg = <0x00 0x2400000 0x00 0x400>;