Set default upload protocol

platformio.ini

@@ -70,8 +70,9 @@ lib_deps =
 
 [rp2040_base]
 extends = arduino_base
-platform = https://github.com/maxgerhardt/platform-raspberrypi.git
+upload_protocol = picotool
 board_build.core = earlephilhower
+platform = https://github.com/maxgerhardt/platform-raspberrypi.git
 build_flags = ${arduino_base.build_flags}
   -D RP2040_PLATFORM