USB: serial: ezusb: remove last printk() call

This code shouldn't be calling printk(), no one needs to know this debug
message, the return code is good enough.

Cc: "René Bürgel" <rene.buergel@sohard.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
1 file changed