Don't expect one any time soon as the newest Napoleonic supplement has taken about a year to get to the distributors but I would suggest that you could modify the existing F&IW supplement to suit your needs.
I modified the 1st Edition to allow me to play King Philip's War, most of the mods were for weapons and melee. I added a troop type for Mounted.
For the SYW you may need add a couple of Mounted troop types and remove the Indian troop type.