Merge patch series "Add pinctrl driver for mt8188"

Julien Stephan <jstephan@baylibre.com> says:

The driver is based on the kernel driver for mt8188.

While at it, also add pinmux_property_set ops for mediatek pinctrl framework.

Link: https://lore.kernel.org/r/20260122-add-mt8188-pinctrl-support-v2-0-324b4c8f2b64@baylibre.com