clk: sunxi-ng: r40: Export MBUS clock

The MBUS clock needs to be referenced in the MBUS device node.
Export it.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>

clk: sunxi-ng: r40: Export video PLLs

Video PLLs need to be referenced in R40 DT as possible HDMI PHY parent.

Export them.

Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>

clk: sunxi-ng: support R40 SoC

Allwinner R40 SoC have a clock controller module in the style of the
SoCs beyond sun6i, however, it's more rich and complex.

Add support for it.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>