tests: optimize mem size of xtimer_drift
tests: optimize mem size of xtimer_drift

- remove descriptive puts messages, and use LOG_DEBUG/INFO
- rational: fits into 2k RAM now, and works on arduino duemilanove

biboc/RIOT,aeneby/RIOT,Josar/RIOT,avmelnikoff/RIOT,kbumsik/RIOT,avmelnikoff/RIOT,LudwigOrtmann/RIOT,josephnoir/RIOT,toonst/RIOT,kYc0o/RIOT,RIOT-OS/RIOT,Ell-i/RIOT,LudwigKnuepfer/RIOT,adjih/RIOT,beurdouche/RIOT,LudwigOrtmann/RIOT,jasonatran/RIOT,biboc/RIOT,RIOT-OS/RIOT,Ell-i/RIOT,kaspar030/RIOT,LudwigOrtmann/RIOT,jfischer-phytec-iot/RIOT,kaleb-himes/RIOT,authmillenon/RIOT,kaleb-himes/RIOT,lazytech-org/RIOT,plushvoxel/RIOT,ant9000/RIOT,cladmi/RIOT,hamilton-mote/RIOT-OS,gebart/RIOT,thomaseichinger/RIOT,Ell-i/RIOT,beurdouche/RIOT,LudwigOrtmann/RIOT,gautric/RIOT,mtausig/RIOT,yogo1212/RIOT,immesys/RiSyn,rfuentess/RIOT,mtausig/RIOT,BytesGalore/RIOT,neiljay/RIOT,OlegHahm/RIOT,dailab/RIOT,lazytech-org/RIOT,LudwigKnuepfer/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,x3ro/RIOT,hamilton-mote/RIOT-OS,josephnoir/RIOT,A-Paul/RIOT,gautric/RIOT,kYc0o/RIOT,rfuentess/RIOT,jasonatran/RIOT,LudwigOrtmann/RIOT,jbeyerstedt/RIOT-OTA-update,kbumsik/RIOT,BytesGalore/RIOT,authmillenon/RIOT,basilfx/RIOT,thomaseichinger/RIOT,thomaseichinger/RIOT,A-Paul/RIOT,OTAkeys/RIOT,A-Paul/RIOT,cladmi/RIOT,ks156/RIOT,OTAkeys/RIOT,basilfx/RIOT,BytesGalore/RIOT,OTAkeys/RIOT,x3ro/RIOT,dailab/RIOT,dailab/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,kerneltask/RIOT,kaspar030/RIOT,OlegHahm/RIOT,kerneltask/RIOT,basilfx/RIOT,authmillenon/RIOT,x3ro/RIOT,Josar/RIOT,OTAkeys/RIOT,A-Paul/RIOT,BytesGalore/RIOT,OlegHahm/RIOT,Hyungsin/RIOT-OS,jfischer-phytec-iot/RIOT,adjih/RIOT,Josar/RIOT,Hyungsin/RIOT-OS,beurdouche/RIOT,mtausig/RIOT,OlegHahm/RIOT,TobiasFredersdorf/RIOT,RIOT-OS/RIOT,ant9000/RIOT,kbumsik/RIOT,toonst/RIOT,mfrey/RIOT,neumodisch/RIOT,neiljay/RIOT,dkm/RIOT,hamilton-mote/RIOT-OS,neumodisch/RIOT,smlng/RIOT,aeneby/RIOT,kaleb-himes/RIOT,neumodisch/RIOT,immesys/RiSyn,jfischer-phytec-iot/RIOT,Hyungsin/RIOT-OS,thomaseichinger/RIOT,yogo1212/RIOT,basilfx/RIOT,kerneltask/RIOT,adrianghc/RIOT,RIOT-OS/RIOT,kaspar030/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,syin2/RIOT,cladmi/RIOT,toonst/RIOT,Josar/RIOT,avmelnikoff/RIOT,aeneby/RIOT,Hyungsin/RIOT-OS,josephnoir/RIOT,LudwigKnuepfer/RIOT,plushvoxel/RIOT,Hyungsin/RIOT-OS,jbeyerstedt/RIOT-OTA-update,adjih/RIOT,dkm/RIOT,roberthartung/RIOT,plushvoxel/RIOT,yogo1212/RIOT,neumodisch/RIOT,ks156/RIOT,rfuentess/RIOT,hamilton-mote/RIOT-OS,roberthartung/RIOT,kYc0o/RIOT,miri64/RIOT,TobiasFredersdorf/RIOT,smlng/RIOT,aeneby/RIOT,kerneltask/RIOT,adrianghc/RIOT,cladmi/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,kaspar030/RIOT,neiljay/RIOT,gebart/RIOT,miri64/RIOT,immesys/RiSyn,basilfx/RIOT,josephnoir/RIOT,Josar/RIOT,dkm/RIOT,smlng/RIOT,BytesGalore/RIOT,miri64/RIOT,OlegHahm/RIOT,syin2/RIOT,plushvoxel/RIOT,neiljay/RIOT,jasonatran/RIOT,authmillenon/RIOT,gebart/RIOT,immesys/RiSyn,kbumsik/RIOT,x3ro/RIOT,biboc/RIOT,rfuentess/RIOT,yogo1212/RIOT,TobiasFredersdorf/RIOT,ant9000/RIOT,neumodisch/RIOT,thomaseichinger/RIOT,gautric/RIOT,kerneltask/RIOT,biboc/RIOT,RIOT-OS/RIOT,hamilton-mote/RIOT-OS,LudwigKnuepfer/RIOT,OTAkeys/RIOT,jbeyerstedt/RIOT-OTA-update,kbumsik/RIOT,mfrey/RIOT,syin2/RIOT,mfrey/RIOT,cladmi/RIOT,kaleb-himes/RIOT,miri64/RIOT,beurdouche/RIOT,rfuentess/RIOT,ant9000/RIOT,roberthartung/RIOT,adrianghc/RIOT,neumodisch/RIOT,miri64/RIOT,yogo1212/RIOT,LudwigOrtmann/RIOT,adjih/RIOT,syin2/RIOT,plushvoxel/RIOT,gebart/RIOT,x3ro/RIOT,ant9000/RIOT,kYc0o/RIOT,lazytech-org/RIOT,jasonatran/RIOT,ks156/RIOT,aeneby/RIOT,neiljay/RIOT,josephnoir/RIOT,dkm/RIOT,TobiasFredersdorf/RIOT,syin2/RIOT,mtausig/RIOT,avmelnikoff/RIOT,kaleb-himes/RIOT,dailab/RIOT,Ell-i/RIOT,mtausig/RIOT,gautric/RIOT,biboc/RIOT,avmelnikoff/RIOT,jbeyerstedt/RIOT-OTA-update,TobiasFredersdorf/RIOT,jasonatran/RIOT,adrianghc/RIOT,kYc0o/RIOT,immesys/RiSyn,lazytech-org/RIOT,gebart/RIOT,Ell-i/RIOT,jfischer-phytec-iot/RIOT,mfrey/RIOT,A-Paul/RIOT,smlng/RIOT,adjih/RIOT,smlng/RIOT,authmillenon/RIOT,dailab/RIOT,roberthartung/RIOT,toonst/RIOT,gautric/RIOT,jfischer-phytec-iot/RIOT,dkm/RIOT,toonst/RIOT,ks156/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,lazytech-org/RIOT,mfrey/RIOT,ks156/RIOT,yogo1212/RIOT,LudwigKnuepfer/RIOT,roberthartung/RIOT,kaspar030/RIOT,immesys/RiSyn,adrianghc/RIOT,jbeyerstedt/RIOT-OTA-update,beurdouche/RIOT,authmillenon/RIOT