Do not access transfer ring when endpoint is isochronous type and control type. And when one Endpoint is a unknown type, do not ASSERT(0) and process next endpoint.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Elvin Li <elvin.li@intel.com>
Signed-off-by: Feng Tian <feng.tian@intel.com>



git-svn-id: svn://svn.code.sf.net/p/edk2/code/trunk/edk2/MdeModulePkg@15876 6f19259b-4bc3-4df7-8a09-765794883524