Add Wii-U GameCube adapter

Thank you for your contribution!

Please make sure your Merge Request is ready to be merged:

• if the Merge Request is about a new feature, an improvement or an important bugfix, amend RELEASE-NOTES.md
• you respected conventional commits
• you updated the wiki Please it is important 🙏 !

The results of the build can give you clues about what is missing in your Merge Request.

Changes :

• Add Wii-U GameCube adapter support

Related to :

• Link to related Merge Requests or Issues