Rewriting doorlock to C++, keeping old files in src/archive/

Signed-off-by: Grzegorz Gwozdz grzegorz.gwozdz@huawei.com

boards/arduino_nano_33_ble.overlay

@@ -100,17 +100,8 @@
 		kbd6 = &kbd6;
 	};
 
-	chosen {
-		zephyr,console = &cdc_acm_uart0;
-	};
 };
 
-/* This is for compatibility with Zephyr 2.6.
-   Remove the next section once we require 2.7. */
-zephyr_udc0: &usbd {
-	compatible = "nordic,nrf-usbd";
-	status = "okay";
-};
 
 &zephyr_udc0 {
 	cdc_acm_uart0: cdc_acm_uart0 {