Allows to configure static DNS servers in resolv.conf setting following
variables in your project's config file:
ETH0_STATIC_DNS, ETH1_STATIC_DNS, WLAN0_STATIC_DNS
Those variables accept multiple dns servers (separated by spaces)
https://jira.digi.com/browse/DEL-1266
Signed-off-by: Javier Viguera <javier.viguera@digi.com>
Javier Viguera