From: Fabien Parent <fparent@xxxxxxxxxxxx>
MT8183 has an on-SoC keyboard controller commonly used for volume
up/down buttons.
List it in the SoC dts so that boards can enable/use it.
Signed-off-by: Fabien Parent <fparent@xxxxxxxxxxxx>
Signed-off-by: Mattijs Korpershoek <mkorpershoek@xxxxxxxxxxxx>