Merge in some fix from R8 on USB Bus driver:

1) Signal event immediately after HUB UsbRootHubEnumeration event is installed
2) Move UsbHcReset and UsbHcSetState before mUsbRootHubApi.Init
3) Change USB_DEBUG and USB_ERROR to R9 DEBUG macro.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3680 6f19259b-4bc3-4df7-8a09-765794883524

MdeModulePkg/Bus/Usb/UsbBusDxe/UsbUtility.h

@@ -194,16 +194,6 @@ UsbGetCurrentTpl (
   VOID
   );
 
-//
-// USB debug support routines
-//
-#ifdef EFI_DEBUG
-  #define USB_DEBUG(arg)            UsbDebug arg
-  #define USB_ERROR(arg)            UsbError arg
-#else
-  #define USB_DEBUG(arg)
-  #define USB_ERROR(arg)
-#endif
 
 VOID
 UsbDebug (