Pull Allwinner clk driver updates from Maxime Ripard:
A few clock patches for sunxi, mostly to export new clocks to the DT,
and fix some issues with the clock tree on the H6.
* tag 'sunxi-clk-for-5.5-1' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
clk: sunxi-ng: h3: Export MBUS clock
clk: sunxi-ng: h6: Allow GPU to change parent rate
clk: sunxi-ng: h6: Use sigma-delta modulation for audio PLL