Add binding documentation for the General Purpose Timer driver of
the Mediatek SoCs.
Signed-off-by: NMatthias Brugger <matthias.bgg@gmail.com>
Acked-by: NSören Brinkmann <soren.brinkmann@xilinx.com>
Acked-by: NRob Herring <robh@kernel.org>
Signed-off-by: NDaniel Lezcano <daniel.lezcano@linaro.org>