[packages] iioutils: add new package

Signed-off-by: Viktar Palstsiuk <viktar.palstsiuk@promwad.com>

git-svn-id: svn://svn.openwrt.org/openwrt@35551 3c298f89-4303-0410-b956-a3cf2f4a3e73
open-plc-utils: add Qualcomm Atheros Open Powerline toolkit packages

Signed-off-by: Florian Fainelli <florian@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt@35552 3c298f89-4303-0410-b956-a3cf2f4a3e73
odhcp6c: Various bugfixes
* Don't send undesired suggestions for preferred and valid lifetimes
* Be less verbose in logging

git-svn-id: svn://svn.openwrt.org/openwrt@35553 3c298f89-4303-0410-b956-a3cf2f4a3e73