The "registers" entry was incorrectly created in the procfs root instead
of the device specific directory.  Move "registers" registration
immediately after the containing procfs directory is created.
Signed-off-by: Mathieu Chouquet-Stringer <mchouque@free.fr>
Signed-off-by: Pavel Roskin <proski@gnu.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>