dt-bindings: clock: mediatek: Add clock driver bindings for MT6795

Add the bindings for the clock drivers of the MediaTek Helio X10
MT6795 SoC.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220921091455.41327-5-angelogioacchino.delregno@collabora.com


Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>