Commit 0cce2eda
     USB: fix LANGID=0 regression

defaults to a langid of 0x0409 if it's not properly implemented by the
device. Explain with a higher level error message what this means.
Signed-off-by: NScot Doyle <lkml14@scotdoyle.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>