UPSTREAM: dts: riscv: it8xxx2: fix default status of UART

The default status of UART should set disabled.
If UART needs to enable, it will be set in the
dts of board level.

Signed-off-by: Tim Lin <tim2.lin@ite.corp-partner.google.com>
(cherry picked from commit f66cb34b1388aaddc7953a6935c53b16b56260b9)

BUG=b:187541831
TEST=Asurada prints out messages.

Change-Id: I3a2b4f39f1dd38eb4002d6fa2d600aec90c2f887
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/zephyr/+/2893929
Reviewed-by: Jack Rosenthal <jrosenth@chromium.org>
Reviewed-by: Keith Short <keithshort@chromium.org>
Reviewed-by: Denis Brockus <dbrockus@chromium.org>
Tested-by: Dino Li <Dino.Li@ite.com.tw>
Commit-Queue: Denis Brockus <dbrockus@chromium.org>
diff --git a/dts/riscv/it8xxx2.dtsi b/dts/riscv/it8xxx2.dtsi
index b289062..0bf858b 100644
--- a/dts/riscv/it8xxx2.dtsi
+++ b/dts/riscv/it8xxx2.dtsi
@@ -225,6 +225,7 @@
 		uart1: uart@f02700 {
 			compatible = "ns16550";
 			reg = <0x00f02700 0x0020>;
+			status = "disabled";
 			label = "console";
 			current-speed = <115200>;
 			clock-frequency = <1804800>;
@@ -234,6 +235,7 @@
 		uart2: uart@f02800 {
 			compatible = "ns16550";
 			reg = <0x00f02800 0x0020>;
+			status = "disabled";
 			label = "UART_2";
 			current-speed = <460800>;
 			clock-frequency = <1804800>;