If the URL is https then that's what it is and the feed has to include that. However it's very probable that the iTunes Store won't like it. I'm not clear why you think you have to use https, though - some of my websites are on GoDaddy and they are perfectly normal http. You should check with GoDaddy support about this.
Thanks for the reply Roger. I checked with GoDaddy first and they confirmed that my video files would and could only be https. I can't change it. The nature of the hosting plan I have automatically assigns a https address to uploaded video that is shared this way. I figured itunes store and a https address would cause problems.