serial: 8250: dw: Create a generic platform data structure

Use device tree match data rather than multiple calls to
of_device_is_compatible() by introducing a platform data structure and
adding a quirks mask.

Provide a stub to the compatibles without quirks to simplify the
handling of the upcoming changes.

Reviewed-by: Geert Uytterhoeven <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Signed-off-by: Emil Renner Berthing <[email protected]>
[<[email protected]: Minor changes + creation of a real pdata structure]
Signed-off-by: Miquel Raynal <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>

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