ARM: dts: ipq4019: Add a default chosen node

Add a 'chosen' node to select the serial console.
This is needed when bootloaders do not pass the
'console=' bootargs.

Acked-by: Bjorn Andersson <[e-mail]>
Signed-off-by: Sricharan R <[e-mail]>
Signed-off-by: Andy Gross <[e-mail]>

arch/arm/boot/dts/qcom-ipq4019-ap.dk01.1.dtsi

···
 	model = "Qualcomm Technologies, Inc. IPQ4019/AP-DK01.1";
 	compatible = "qcom,ipq4019";
 
+	aliases {
+		serial0 = &blsp1_uart1;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
 	soc {
 		rng@22000 {
 			status = "ok";

arch/arm/boot/dts/qcom-ipq4019.dtsi

···
                         regulator;
                 };
 
-		serial@78af000 {
+		blsp1_uart1: serial@78af000 {
 			compatible = "qcom,msm-uartdm-v1.4", "qcom,msm-uartdm";
 			reg = <0x78af000 0x200>;
 			interrupts = <0 107 0>;