usb: host: u132-hcd: fix spelling mistake "overcurren" -> "overcurrent"

There is a spelling mistake in a module parameter description. Fix it.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20190911100745.30711-1-colin.king@canonical.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>