Add more ATtiny varieties to build_platform.py

We don’t NEED all of these right now, but might become necessary due to parts availability, so I’m adding them while the process is fresh in my head rather than floundering later.

Author: PaintYourDragon

build_platform.py

@@ -130,8 +130,13 @@
     "feather_rp2040_tinyusb" : ["rp2040:rp2040:adafruit_feather:flash=8388608_0,freq=125,dbgport=Disabled,dbglvl=None,usbstack=tinyusb", "0xe48bff56"],
     "qt2040_trinkey" : ["rp2040:rp2040:adafruit_trinkeyrp2040qt:freq=125,flash=8388608_0", "0xe48bff56"],
     "qt2040_trinkey_tinyusb" : ["rp2040:rp2040:adafruit_trinkeyrp2040qt:flash=8388608_0,freq=125,dbgport=Disabled,dbglvl=None,usbstack=tinyusb", "0xe48bff56"],
-    # Attiny8xy and 16xy (SpenceKonde)
+    # Attiny8xy, 16xy, 32xy (SpenceKonde)
+    "attiny3217" : ["megaTinyCore:megaavr:atxy7:chip=3217", None],
+    "attiny3216" : ["megaTinyCore:megaavr:atxy6:chip=3216", None],
     "attiny1617" : ["megaTinyCore:megaavr:atxy7:chip=1617", None],
+    "attiny1616" : ["megaTinyCore:megaavr:atxy6:chip=1616", None],
+    "attiny1607" : ["megaTinyCore:megaavr:atxy7:chip=1607", None],
+    "attiny1606" : ["megaTinyCore:megaavr:atxy6:chip=1606", None],
     "attiny817" : ["megaTinyCore:megaavr:atxy7:chip=817", None],
     "attiny816" : ["megaTinyCore:megaavr:atxy6:chip=816", None],
     "attiny807" : ["megaTinyCore:megaavr:atxy7:chip=807", None],