adjust timings to fill screen
workaround for minor problem on Debian Wheezy
https://gitorious.org/procps/procps-ss/commit/a6c79231067e6f12de2c4f363e263f69ef38888f

This is only seen on the OMAP5EVM which may mean that the RTC is not working.

Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>