apple-tonga:New device port for Apple MacBook Air M1 2020.

EDK Piepaintrequested to merge
(removed):master into master

Adding a new device port for Apple MacBook Air M1. This is a re-created merge request, as the old merge request MR5873 had something wrong when passing all build pipelines.\

NOTE: This pmaport is targeting postmarketOS Edge, so select version edge when you run pmbootstrap init to test this new device port.

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