With this change we let user know 5 seconds have passed and reset button
can be released (to trigger factory reset)

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@46650 3c298f89-4303-0410-b956-a3cf2f4a3e73