media-video/decklink-drivers: drop all versions, add new fixed version
This fixes the global scope failures due to the package using unsupported EAPIs. Since none of the available versions are compatible with the current internal Linux API, this MR also introduces a patch for the newest version to accomodate for that.
This resolves both the build failures and global scope ebuild failures.
Closes #195 (closed) Closes #196 (closed)