Basically, all local University have Marketing program. But, I don't think you can get in any of them. So, consider some oversea University. Take a look at: HKU SPACE website, HKMA, PolyU - SPEED etc... then you will have a better understanding of what you need in order to take a University degree in Marketing.
I think you are looking at spending at least 3 to 5 yrs to finish your degree.