[dawn][native] Add support for querying DRM info from adapter.

[DrogonMar]

Adds a new chain struct to adapter info so you can retrieve the Linux DRM info.

Useful if your making a Wayland compositor that uses Dawn to render (me) so you can properly
tell clients what DRM device to use.

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[github-actions]

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[DrogonMar]

Closing, new CL was made so I can contribute properly.