The Usb1.1 flash disk will hang for Bootable Image Support Test -> Bloack IO protocol Test -> Reset_Func.
[Solution]:
Add a stall 20ms after set address when port reset for Usb hub.
[Impaction]:
UsbBusDxe.
[Reference Info]:
EDK tracker 1120 - USB flash disk hang or fail in the new SCT blockIo test.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5365 6f19259b-4bc3-4df7-8a09-765794883524