This patch fix an old information that mdio-mux-mmioreg can only handle
8bit registers.
This is not true anymore.
Signed-off-by: NCorentin Labbe <clabbe.montjoie@gmail.com>
Reviewed-by: NAndrew Lunn <andrew@lunn.ch>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>