[PATCH v2 0/5] MR10467: iyuv/tests: Add stub DLL and tests.

[Brendan McGrath (＠redmcg)]

This MR adds a stub for the `iyuv_32.dll` and tests its functionality.

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  v2: iyuv_32/tests: Add a compression test.
      iyuv_32/tests: Add a decompression test.
      iyuv_32/tests: Test which formats are supported.
      iyuv_32/tests: Add test stub.
      iyuv_32: Add stub dll.
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/10467