Welcome to the forum Satish,
Well, for canon make lenses, all EF and EF-S lenses could be mounted on 550/600D. And they all will autofocus. No motor issue like Nikon as all canon lens have AF motor in lens itself.
Canon FD lenses (old ones. no more produced) could not be mounted directly on EOS bodies. You need an adapter for it.
All third party lenses tag as canon mount could also be mounted on the body comfortably