Add missing comma in Raspberry PI Zero rev code list

Author: Weizilla

adafruit_platformdetect/board.py

@@ -186,7 +186,7 @@
         '10000011', '10000014',
     ),
     RASPBERRY_PI_ZERO: (
-        '900092', '920092', '900093', '920093'
+        '900092', '920092', '900093', '920093',
         '1900092', '1920092', '1900093', '1920093', # warranty bit 24
         '2900092', '2920092', '2900093', '2920093', # warranty bit 25
     ),