usb: host: xhci: remove newline from tracer

If we add that newline, the output will look like the following:

     kworker/2:1-42    [002] ....   169.811435: xhci_address_ctx:
ctx_64=0, ctx_type=2, ctx_dma=@153fbd000, ctx_va=@ffff880153fbd000

We would rather have that in a single line.

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