arm: rmobile: kzm9g: Add dummy member to struct sh73a0_rwdt
Add dummy member to struct sh73a0_rwdt in sh73a0.h.
Without this, initializing watch dog timer goes wrong.
Signed-off-by: Tetsuyuki Kobayashi <koba@kmckk.co.jp>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>