Add LTE packages required for operating the LTE modems shipped with
the GL-XE300.
Example configuration for an unauthenticated dual-stack APN:
network.wwan0=interface
network.wwan0.proto='qmi'
network.wwan0.device='/dev/cdc-wdm0'
network.wwan0.apn='internet'
network.wwan0.auth='none'
network.wwan0.delay='10'
network.wwan0.pdptype='IPV4V6'
Signed-off-by: Tom Herbers <mail@tomherbers.de>