There is an updated pull request by sgn against master on the void-packages repository

https://github.com/sgn/void-packages broadcom-wl-dkms
https://github.com/void-linux/void-packages/pull/39950

broadcom-wl-dkms: patch for 6.0
While we're at it, import change for 5.17

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#### Testing the changes
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A patch file from https://github.com/void-linux/void-packages/pull/39950.patch is attached