boards: arm: rpi_pico: added zephyr shell

added zephyr shell to be used on uart0 instance

Signed-off-by: Andrei-Edward Popa <[email protected]>

Author: Andrei-Edward Popa

boards/arm/rpi_pico/rpi_pico.dts

@@ -14,6 +14,7 @@
 		zephyr,sram = &sram0;
 		zephyr,flash = &flash0;
 		zephyr,console = &uart0;
+		zephyr,shell-uart = &uart0;
 		zephyr,code-partition = &code_partition;
 	};