Add ItsyBitsy RP2040 to all_platforms

Author: tyeth

all_platforms.py

@@ -117,6 +117,8 @@
     "qt2040_trinkey_tinyusb" : ["rp2040:rp2040:adafruit_trinkeyrp2040qt:flash=8388608_0,freq=120,dbgport=Disabled,dbglvl=None,usbstack=tinyusb", "0xe48bff56", None],
     "qt_py_rp2040": ["rp2040:rp2040:adafruit_qtpy:freq=125,flash=8388608_0", "0xe48bff56", None],
     "qt_py_rp2040_tinyusb": ["rp2040:rp2040:adafruit_qtpy:flash=8388608_0,freq=120,dbgport=Disabled,dbglvl=None,usbstack=tinyusb", "0xe48bff56", None],
+    "itsybitsy_rp2040" : ["rp2040:rp2040:adafruit_itsybitsy:freq=125,flash=8388608_524288", "0xe48bff56", None],
+    "itsybitsy_rp2040_tinyusb" : ["rp2040:rp2040:adafruit_itsybitsy:flash=8388608_524288,freq=120,dbgport=Disabled,dbglvl=None,usbstack=tinyusb", "0xe48bff56", None],
 
     # Attiny8xy, 16xy, 32xy (SpenceKonde)
     "attiny3217" : ["megaTinyCore:megaavr:atxy7:chip=3217", None, None],