Added patch for rtd building

[evaherrada]

Test PR:
adafruit/Adafruit_CircuitPython_BNO055#93

Local test:

eherrada@eh:~/adafruit/temp/adabot$ python3 -m adabot.circuitpython_library_patches --dry-run -local -p 0001-Fixed-readthedocs-build.patch
.... Beginning Patch Updates ....
.... Working directory: /home/eherrada/adafruit/temp/adabot
.... Library directory: /home/eherrada/adafruit/temp/adabot/.libraries/
.... Patches directory: /home/eherrada/adafruit/temp/adabot/patches/
.... Deleting any previously cloned libraries
.... Running Patch Checks On 305 Repos ....
   . Skipping Adafruit_CircuitPython_BLE_File_Transfer: patch does not apply
   . Skipping Adafruit_CircuitPython_GFX: patch does not apply
   . Skipping Adafruit_CircuitPython_TestRepo: patch does not apply
   . Skipping Adafruit_CircuitPython_VL53L1X: patch does not apply
   . Skipping Adafruit_CircuitPython_OV5640: patch does not apply
   . Skipping Adafruit_CircuitPython_asyncio: patch does not apply
   . Skipping Adafruit_CircuitPython_24LC32: patch does not apply
   . Skipping Adafruit_CircuitPython_NeoPixel: patch does not apply
   . Skipping Adafruit_CircuitPython_HTTPServer: patch does not apply
   . Skipping Adafruit_CircuitPython_BLE_Creation: patch does not apply
   . Skipping Adafruit_CircuitPython_MONSTERM4SK: patch does not apply
   . Skipping Adafruit_CircuitPython_PCF8563: patch does not apply
   . Skipping Adafruit_CircuitPython_VS1053: patch does not apply
   . Skipping Adafruit_CircuitPython_AzureIoT: patch does not apply
   . Skipping Adafruit_CircuitPython_ADXL37x: patch does not apply
   . Skipping Adafruit_CircuitPython_Ticks: patch does not apply
   . Skipping Adafruit_CircuitPython_Bundle: patch does not apply
   . Skipping Adafruit_CircuitPython_Typing: patch does not apply
.... Patch Updates Completed ....
.... Patches Applied: 279
.... Patches Skipped: 18
.... Patches Failed: 8 

[kattni]

LGTM!