arm64: dts: apq8096-db820c: disable uart0 by default

Access to UART0 is disabled by bootloaders. By leaving it enabled by
default would reboot the board.
Disable this for now, this would alteast give a board which boots.
Signed-off-by: NSrinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-by: NBjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: NAndy Gross <andy.gross@linaro.org>

arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi

@@ -75,7 +75,7 @@
 
 		serial@75b1000 {
 			label = "LS-UART0";
-			status = "okay";
+			status = "disabled";
 			pinctrl-names = "default", "sleep";
 			pinctrl-0 = <&blsp2_uart2_4pins_default>;
 			pinctrl-1 = <&blsp2_uart2_4pins_sleep>;