board/nucleo-l152: enable LSE per default
board/nucleo-l152: enable LSE per default

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