This is a terrible idea. I can look at the code edits you did to xmrig and then see how they can easily be modified for xmrig amd. So what is going to happen is that those with the technical know how are going to do the modifications, use GPU miners to start mining at a higher hashrate and then those that can't will be left behind.

If this algorithm is not GPU resistant, which it isn't, you need to either make it GPU resistant or release a GPU miner.