USB devices should work just fine when they don't support language id.

Lower the log level so user won't panic in the future.

BugLink: https://bugs.launchpad.net/bugs/1729618Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>