usb: quiet peer failure warning, disable poweroff

In the case where platform firmware has specified conflicting values for
port locations it is confusing and otherwise not helpful to throw a
backtrace.  Instead, include enough information to determine that
firmware has done something wrong and globally disable port poweroff.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --cc drivers/usb/core/port.c
Simple merge