clk: sunxi-ng: Add A33 CCU support

This commit introduces the clocks found in the Allwinner A33 CCU.

Since this SoC is very similar to the A23, and we share a significant share
of the DTSI, the clock IDs that are going to be used will also be shared
with the A23, hence the name of the various header files.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
diff --git a/Documentation/devicetree/bindings/clock/sunxi-ccu.txt b/Documentation/devicetree/bindings/clock/sunxi-ccu.txt
index eac4587..8fd765e 100644
--- a/Documentation/devicetree/bindings/clock/sunxi-ccu.txt
+++ b/Documentation/devicetree/bindings/clock/sunxi-ccu.txt
@@ -4,6 +4,7 @@
 Required properties :
 - compatible: must contain one of the following compatibles:
 		- "allwinner,sun6i-a31-ccu"
+		- "allwinner,sun8i-a33-ccu"
 		- "allwinner,sun8i-h3-ccu"
 
 - reg: Must contain the registers base address and length