tests/lwip: only enable test for native board
tests/lwip: only enable test for native board

Other board are not supported in 01-run.py.

mfrey/RIOT,yogo1212/RIOT,RIOT-OS/RIOT,OlegHahm/RIOT,authmillenon/RIOT,LudwigOrtmann/RIOT,A-Paul/RIOT,LudwigOrtmann/RIOT,RIOT-OS/RIOT,biboc/RIOT,adrianghc/RIOT,OTAkeys/RIOT,adrianghc/RIOT,lazytech-org/RIOT,adrianghc/RIOT,basilfx/RIOT,cladmi/RIOT,OTAkeys/RIOT,LudwigKnuepfer/RIOT,gebart/RIOT,A-Paul/RIOT,x3ro/RIOT,yogo1212/RIOT,immesys/RiSyn,immesys/RiSyn,x3ro/RIOT,rfuentess/RIOT,OlegHahm/RIOT,LudwigKnuepfer/RIOT,x3ro/RIOT,biboc/RIOT,roberthartung/RIOT,immesys/RiSyn,aeneby/RIOT,mfrey/RIOT,ks156/RIOT,adrianghc/RIOT,ant9000/RIOT,lazytech-org/RIOT,rfuentess/RIOT,lazytech-org/RIOT,gebart/RIOT,RIOT-OS/RIOT,toonst/RIOT,miri64/RIOT,toonst/RIOT,ant9000/RIOT,kaspar030/RIOT,BytesGalore/RIOT,roberthartung/RIOT,smlng/RIOT,neiljay/RIOT,basilfx/RIOT,rfuentess/RIOT,kYc0o/RIOT,ks156/RIOT,miri64/RIOT,toonst/RIOT,ant9000/RIOT,rfuentess/RIOT,aeneby/RIOT,ant9000/RIOT,A-Paul/RIOT,BytesGalore/RIOT,miri64/RIOT,Josar/RIOT,neiljay/RIOT,avmelnikoff/RIOT,RIOT-OS/RIOT,LudwigKnuepfer/RIOT,jasonatran/RIOT,adrianghc/RIOT,kaspar030/RIOT,gebart/RIOT,authmillenon/RIOT,A-Paul/RIOT,kYc0o/RIOT,smlng/RIOT,rfuentess/RIOT,mtausig/RIOT,ks156/RIOT,yogo1212/RIOT,LudwigOrtmann/RIOT,LudwigKnuepfer/RIOT,kbumsik/RIOT,avmelnikoff/RIOT,smlng/RIOT,jasonatran/RIOT,biboc/RIOT,authmillenon/RIOT,aeneby/RIOT,biboc/RIOT,authmillenon/RIOT,lazytech-org/RIOT,aeneby/RIOT,BytesGalore/RIOT,basilfx/RIOT,OlegHahm/RIOT,RIOT-OS/RIOT,neiljay/RIOT,neiljay/RIOT,yogo1212/RIOT,hamilton-mote/RIOT-OS,miri64/RIOT,Josar/RIOT,gebart/RIOT,josephnoir/RIOT,LudwigOrtmann/RIOT,ks156/RIOT,kbumsik/RIOT,roberthartung/RIOT,mtausig/RIOT,mtausig/RIOT,jasonatran/RIOT,OlegHahm/RIOT,hamilton-mote/RIOT-OS,OTAkeys/RIOT,toonst/RIOT,avmelnikoff/RIOT,Josar/RIOT,cladmi/RIOT,avmelnikoff/RIOT,roberthartung/RIOT,ant9000/RIOT,mfrey/RIOT,jasonatran/RIOT,authmillenon/RIOT,Josar/RIOT,avmelnikoff/RIOT,kYc0o/RIOT,josephnoir/RIOT,aeneby/RIOT,kbumsik/RIOT,gebart/RIOT,immesys/RiSyn,ks156/RIOT,basilfx/RIOT,josephnoir/RIOT,biboc/RIOT,basilfx/RIOT,hamilton-mote/RIOT-OS,hamilton-mote/RIOT-OS,OTAkeys/RIOT,immesys/RiSyn,smlng/RIOT,lazytech-org/RIOT,jasonatran/RIOT,BytesGalore/RIOT,kbumsik/RIOT,kbumsik/RIOT,mfrey/RIOT,mfrey/RIOT,LudwigOrtmann/RIOT,LudwigKnuepfer/RIOT,hamilton-mote/RIOT-OS,yogo1212/RIOT,yogo1212/RIOT,mtausig/RIOT,BytesGalore/RIOT,kYc0o/RIOT,mtausig/RIOT,roberthartung/RIOT,cladmi/RIOT,kYc0o/RIOT,kaspar030/RIOT,josephnoir/RIOT,A-Paul/RIOT,josephnoir/RIOT,OTAkeys/RIOT,OlegHahm/RIOT,smlng/RIOT,neiljay/RIOT,authmillenon/RIOT,Josar/RIOT,x3ro/RIOT,LudwigOrtmann/RIOT,cladmi/RIOT,x3ro/RIOT,kaspar030/RIOT,toonst/RIOT,kaspar030/RIOT,cladmi/RIOT,immesys/RiSyn,miri64/RIOT