Distinguish mediatek drivers

[Krzysztof Wilczyński]

Hello,

[...]
> > Both drivers are also named "mtk-pcie" and use the same internal
> > "mtk_" prefix on structs and functions.  Not a *huge* problem, but
> > not really ideal either.
[...]
> Thanks for the reminder, I will send patches to update these entries.

Perhaps a silly question, but would it be possible to combine both drivers
into a single one that handless devices across all generations?

	Krzysztof