Well he would be the most likely candidate to further inflate the USD the most by printing more money so he can pay for his promised free stuff.. If the dollar going down due to inflation and/or completely crashing is good for BTC then maybe I guess. It will just make BTC look like it's worth more because the dollar looses its value.
Did you miss this recent Trump quote?
"People said I want to go and buy debt and default on debt, and I mean, these people are crazy. This is the United States government," Trump told CNN's Chris Cuomo on "New Day." "First of all, you never have to default because you print the money, I hate to tell you, OK?"