This adds minimal support for the MediaTek 8365 SOC and the EVK reference board, allowing the board to boot to initramfs with serial port I/O. v3: - Remove a number of components that are not yet supported (they will come back alongside the corresponding drivers) - Address issues found by dt_binding_check (mostly fixing pinctrl bindings) - Address issues pointed out in comments - Reorder patches v2: - Add missing dt-bindings documentation - Small cleanups addressing issues in v1 pointed out by Krzysztof Kozlowski