mvebu: enable PCA955x driver for clearfog to enable pcie and usb
Some of the PCIe and USB signals use a GPIO expander on I2C on ClearFog,
so enable the driver so that they can be configured to their required
values.
Signed-off-by: Jonas Gorski <[email protected]>
Acked-by: Felix Fietkau <[email protected]>