ARM: dts: am43xx: Add stdout-path property

Add stdout-path property in /chosen node so that earlycon can be
used by just adding earlycon in bootargs.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/boot/dts/am437x-gp-evm.dts

@@ -23,6 +23,10 @@
 		display0 = &lcd0;
 	};
 
+	chosen {
+		stdout-path = &uart0;
+	};
+
 	evm_v3_3d: fixedregulator-v3_3d {
 		compatible = "regulator-fixed";
 		regulator-name = "evm_v3_3d";

arch/arm/boot/dts/am437x-idk-evm.dts

@@ -18,6 +18,10 @@
 	model = "TI AM437x Industrial Development Kit";
 	compatible = "ti,am437x-idk-evm","ti,am4372","ti,am43";
 
+	chosen {
+		stdout-path = &uart0;
+	};
+
 	v24_0d: fixed-regulator-v24_0d {
 		compatible = "regulator-fixed";
 		regulator-name = "V24_0D";

arch/arm/boot/dts/am437x-sk-evm.dts

@@ -24,6 +24,10 @@
 		display0 = &lcd0;
 	};
 
+	chosen {
+		stdout-path = &uart0;
+	};
+
 	/* fixed 32k external oscillator clock */
 	clk_32k_rtc: clk_32k_rtc {
 		#clock-cells = <0>;

arch/arm/boot/dts/am43x-epos-evm.dts

@@ -24,6 +24,10 @@
 		display0 = &lcd0;
 	};
 
+	chosen {
+		stdout-path = &uart0;
+	};
+
 	vmmcsd_fixed: fixedregulator-sd {
 		compatible = "regulator-fixed";
 		regulator-name = "vmmcsd_fixed";