Pull Allwinner clk driver updates from Maxime Ripard:
- A few patches to fix two minor bugs
- Introduce a schema for our device tree bindings
* tag 'sunxi-clk-for-5.3-
201906210814' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
dt-bindings: clk: Convert Allwinner CCU to a schema
clk: sunxi-ng: sun50i-h6-r: Fix incorrect W1 clock gate register
clk-sunxi: fix a missing-check bug in sunxi_divs_clk_setup()