USB: add speed values for USB 3.0 and wireless controllers

commit b132b04e upstream.

These controllers say "unknown" for their speed in sysfs, which
obviously isn't correct.

Reported-by: Kurt Garloff <garloff@novell.com>
Cc: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: David Vrabel <david.vrabel@csr.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>