This commit made the following changes to sync all bootcount scripts:
1. use boot() instead of start()
This script only needs to be executed once when boot is complete.
use boot() to make this explicit.
2. drop sourcing of /lib/functions.sh
This is aready done in /etc/rc.common.
3. ramips: replace board name checking with a case
Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
