use boot2_generic_03h for adafruit feather rp2040

- also use boot2_generic_03h for now for itsy bitsy and qt rp2040
- change default flash target for rp2040 to flash-pyocd

examples/host/cdc_msc_hid/CMakeLists.txt

@@ -14,10 +14,11 @@ if(FAMILY STREQUAL "esp32s2")
 
 elseif(FAMILY STREQUAL "rp2040")
   cmake_minimum_required(VERSION 3.12)
+  
   set(PICO_SDK_PATH ${TOP}/hw/mcu/raspberrypi/pico-sdk)
   include(${PICO_SDK_PATH}/pico_sdk_init.cmake)
+  
   project(${PROJECT})
-  pico_sdk_init()
   add_executable(${PROJECT})
 
   include(${TOP}/hw/bsp/${FAMILY}/family.cmake)