staging: olpc_dcon: fix space and coding issues

Fix the whitespace and coding style issues in olpc_dcon metioned by
checkpatch.

Signed-off-by: Stefan Brähler <Stefan.Braehler@gmail.com>
Acked-by: Andres Salomon <dilinger@queued.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>