Masculism is a word and is becoming more mainstream. It doesn't deal with promoting men as an act of equality though, most of what I see has to do with promoting reenforcing male dominance over women.
That's sad, because I agree with you. There needs to be an equivalent that I would be happy to be an ally of. Thrilled, actually. But I donthink they need to be two tandem focuses under the broader umbrella of humanism. If that makes sense.