dt-bindings: clk: allwinner,sun4i-a10-ccu: Correct path in $id

The path in the schema '$id' value is wrong. Fix it.

Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Chen-Yu Tsai <wens@csie.org>
Cc: linux-clk@vger.kernel.org
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Rob Herring <robh@kernel.org>

Documentation/devicetree/bindings/clock/allwinner,sun4i-a10-ccu.yaml

 # SPDX-License-Identifier: GPL-2.0
 %YAML 1.2
 ---
-$id: http://devicetree.org/schemas/phy/allwinner,sun4i-a10-ccu.yaml#
+$id: http://devicetree.org/schemas/clock/allwinner,sun4i-a10-ccu.yaml#
 $schema: http://devicetree.org/meta-schemas/core.yaml#
 
 title: Allwinner Clock Control Unit Device Tree Bindings