linux-imx

xhci: add port status tracing for Get Port Status hub requests

Add tracing showing the port status register content each time
the xhci roothub receives a Get Port Status request.

Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>