MediaTek driver updates for v6.10

This adds a much needed cleanup for the MediaTek CMDQ helper driver and
also some more helper functions which will be used in drivers using the
MediaTek Global Command Engine (GCE) HW.

Also adds support for MT8188's VPPSYS mutex for MDP3 support, a new SoC
in the mtk-socinfo driver and changes the marketing name for the pre
existing MT8188 SoC.
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