usbdebug: Some fix for dongle compatibility

Not sure what this is about.

Required for BeagleBone (not Black) with HUB in the middle, also
old FX2 senses extra reset if we do this.

Change-Id: I86878f8f570911ed1ed3ec844c232ac91e934072
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/3868
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>

src/drivers/usb/ehci_debug.c

@@ -558,10 +558,12 @@ try_next_port:
 	}
 	dprintk(BIOS_INFO, "EHCI debug port enabled.\n");
 
+#if 0
 	/* Completely transfer the debug device to the debug controller */
 	portsc = read32((unsigned long)&ehci_regs->port_status[debug_port - 1]);
 	portsc &= ~PORT_PE;
 	write32((unsigned long)&ehci_regs->port_status[debug_port - 1], portsc);
+#endif
 
 	dbgp_mdelay(100);