[nrf fromtree] sampes: shell: remove usage of CONFIG_USB_UART_CONSOLE

Remove option CONFIG_USB_UART_CONSOLE where it has no influence
or enable CONFIG_SHELL_BACKEND_SERIAL_CHECK_DTR without taking
a detour through CONFIG_USB_UART_CONSOLE.

Check the compatibility of chosen property instead
of usage of CONFIG_USB_UART_CONSOLE option.

Signed-off-by: Johann Fischer <[email protected]>

Author: jfischer-no

samples/boards/sensortile_box/prj.conf

@@ -29,7 +29,6 @@ CONFIG_USB_DEVICE_PID=0x1234
 CONFIG_USB_DEVICE_STACK=y
 CONFIG_USB_DEVICE_PRODUCT="Zephyr CDC SensorTile.box"
 
-CONFIG_USB_UART_CONSOLE=y
 CONFIG_UART_INTERRUPT_DRIVEN=y
 CONFIG_UART_LINE_CTRL=y
 CONFIG_CBPRINTF_FP_SUPPORT=y

samples/subsys/shell/shell_module/overlay-usb.conf

@@ -1,5 +1,5 @@
 CONFIG_USB_DEVICE_STACK=y
 CONFIG_USB_DEVICE_PRODUCT="Zephyr USB shell sample"
-CONFIG_USB_UART_CONSOLE=y
+CONFIG_SHELL_BACKEND_SERIAL_CHECK_DTR=y
 CONFIG_UART_LINE_CTRL=y
 CONFIG_SHELL_BACKEND_SERIAL_INIT_PRIORITY=51

samples/subsys/shell/shell_module/src/main.c

@@ -334,7 +334,7 @@ void main(void)
 		login_init();
 	}
 
-#if defined(CONFIG_USB_UART_CONSOLE)
+#if DT_NODE_HAS_COMPAT(DT_CHOSEN(zephyr_shell_uart), zephyr_cdc_acm_uart)
 	const struct device *dev;
 	uint32_t dtr = 0;