"The MCP2221 is a USB-to-UART/I2C serial converter which enables
USB connectivity in applications that have a UART and I2C interfaces."
<https://www.microchip.com/en-us/product/MCP2221>
Signed-off-by: Leo Soares <leo@hyper.ag>
(replaced GPIOLIB KConfig with @GPIO_SUPPORT)
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>