Revert "dwc_otg_hcd: Add delay before controller initialization"

The delay is not needed when the controller is forced to host mode
through GUSBCFG.ForceHstMode

Google-Bug-Id: 26390815

This reverts commit 4a28608e53250f796d2423b382e959f0722ec04a.

Change-Id: I0a382dd6608a1b4b703ae6d6ff8b097bb841484c
1 file changed