The kernel module gpio-mcp23s08 has been replaced by the new
pinctrl-mcp23s08* kernel modules.
There are now 3 kernel modules for this device
- Common module for both I2C and SPI kmod-pinctrl-mcp23s08
- Module for I2C kmod-pinctrl-mcp23s08-i2c
- Module for SPI kmod-pinctrl-mcp23s08-spi
Signed-off-by: Florian Eckert <fe@dev.tdt.de>