Character_LCD_I2C: add support for PCF8574 I2C expander backpack#81

Roman3349 wants to merge 2 commits intoadafruit:mainadafruit/Adafruit_CircuitPython_CharLCD:mainfrom

Roman3349:feature/i2c-expander-pcf8574Roman3349/Adafruit_CircuitPython_CharLCD:feature/i2c-expander-pcf8574Copy head branch name to clipboard