shell_commands: sntp: increase default timeout
shell_commands: sntp: increase default timeout

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