dt-bindings: pinctrl: mediatek: mt8186: rename to mediatek,mt8186-pinctrl

Rename pinctrl-mt8186.yaml to mediatek,mt8186-pinctrl.yaml to be on par
with the compatible string and other mediatek dt-binding schemas.
Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230317213011.13656-12-arinc.unal@arinc9.comSigned-off-by: Linus Walleij <linus.walleij@linaro.org>

Documentation/devicetree/bindings/pinctrl/pinctrl-mt8186.yaml → Documentation/devicetree/bindings/pinctrl/mediatek,mt8186-pinctrl.yaml

 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
 %YAML 1.2
 ---
-$id: http://devicetree.org/schemas/pinctrl/pinctrl-mt8186.yaml#
+$id: http://devicetree.org/schemas/pinctrl/mediatek,mt8186-pinctrl.yaml#
 $schema: http://devicetree.org/meta-schemas/core.yaml#
 
 title: Mediatek MT8186 Pin Controller