Programs: scripts/dune-mobile-inet.sh: Removed ppp_watch.
Supervisors/MobileInternet: Added basic functionality.
Programs: scripts/dune-mobile-inet.sh: Increased retry count to 10 times.
Transports/MobileInternet: Renamed Supervisors/MobileInternet.
Config: hardware/lctr-a9xx: Enabled Transports.MobileInternet.
Merge branch 'feature/mobile-inet'