Ah, I misinterpreted what you were saying. When you posted:-
I thought you were implying the PL ban would be suspended for the games he was unavailable for selection by being away for AFCON, and therefore the ban would still be in place for the return fixture (which, of course, wouldn't...
The only way he would also miss the return fixture is if Spurs have a bunch of first team fixtures postponed between our first match and the second. The ban applies to all domestic first team matches and it doesn't get "suspended" simply because he might not be available for selection.