wifimngr: Enable debugging by default with level=3
To enable wifimngr debugging by default with level set to ERR only the following changes has been made:
set stderr to 1 set env variable LIBWIFI_DEBUG_LEVEL to 3 (ERR only)
@janusz @Marek @bartlomiej.grzeskowiak Please review
Signed-off-by: Grzegorz Sluja grzegorz.sluja@iopsys.eu