stm32l1/timer: fix callback argument initialization
stm32l1/timer: fix callback argument initialization

rousselk/RIOT,rousselk/RIOT,katezilla/RIOT,jfischer-phytec-iot/RIOT,dkm/RIOT,attdona/RIOT,gautric/RIOT,rakendrathapa/RIOT,TobiasFredersdorf/RIOT,attdona/RIOT,neumodisch/RIOT,RIOT-OS/RIOT,Josar/RIOT,yogo1212/RIOT,shady33/RIOT,TobiasFredersdorf/RIOT,asanka-code/RIOT,LudwigKnuepfer/RIOT,altairpearl/RIOT,lazytech-org/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,jfischer-phytec-iot/RIOT,neumodisch/RIOT,mtausig/RIOT,A-Paul/RIOT,jbeyerstedt/RIOT-OTA-update,gebart/RIOT,kb2ma/RIOT,Hyungsin/RIOT-OS,ks156/RIOT,zhuoshuguo/RIOT,jasonatran/RIOT,kaleb-himes/RIOT,basilfx/RIOT,TobiasFredersdorf/RIOT,kb2ma/RIOT,thomaseichinger/RIOT,malosek/RIOT,attdona/RIOT,Ell-i/RIOT,A-Paul/RIOT,BytesGalore/RIOT,Josar/RIOT,immesys/RiSyn,altairpearl/RIOT,neumodisch/RIOT,yogo1212/RIOT,roberthartung/RIOT,LudwigOrtmann/RIOT,rajma996/RIOT,MohmadAyman/RIOT,syin2/RIOT,thomaseichinger/RIOT,jfischer-phytec-iot/RIOT,cladmi/RIOT,rakendrathapa/RIOT,kerneltask/RIOT,smlng/RIOT,mtausig/RIOT,rajma996/RIOT,kaspar030/RIOT,kaspar030/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,tfar/RIOT,FrancescoErmini/RIOT,toonst/RIOT,kerneltask/RIOT,jbeyerstedt/RIOT-OTA-update,FrancescoErmini/RIOT,miri64/RIOT,toonst/RIOT,malosek/RIOT,asanka-code/RIOT,plushvoxel/RIOT,beurdouche/RIOT,adrianghc/RIOT,x3ro/RIOT,jasonatran/RIOT,mfrey/RIOT,rfuentess/RIOT,smlng/RIOT,katezilla/RIOT,kaleb-himes/RIOT,biboc/RIOT,adjih/RIOT,ks156/RIOT,shady33/RIOT,josephnoir/RIOT,rousselk/RIOT,dailab/RIOT,wentaoshang/RIOT,asanka-code/RIOT,basilfx/RIOT,kb2ma/RIOT,adjih/RIOT,cladmi/RIOT,ant9000/RIOT,brettswann/RIOT,kaspar030/RIOT,adrianghc/RIOT,Hyungsin/RIOT-OS,asanka-code/RIOT,OlegHahm/RIOT,miri64/RIOT,josephnoir/RIOT,plushvoxel/RIOT,dailab/RIOT,alignan/RIOT,rajma996/RIOT,kaleb-himes/RIOT,malosek/RIOT,immesys/RiSyn,shady33/RIOT,LudwigOrtmann/RIOT,MohmadAyman/RIOT,zhuoshuguo/RIOT,kerneltask/RIOT,neiljay/RIOT,jremmert-phytec-iot/RIOT,mfrey/RIOT,authmillenon/RIOT,OTAkeys/RIOT,OlegHahm/RIOT,cladmi/RIOT,miri64/RIOT,beurdouche/RIOT,kb2ma/RIOT,kerneltask/RIOT,LudwigKnuepfer/RIOT,biboc/RIOT,ant9000/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,mtausig/RIOT,beurdouche/RIOT,katezilla/RIOT,kYc0o/RIOT,yogo1212/RIOT,beurdouche/RIOT,brettswann/RIOT,LudwigOrtmann/RIOT,yogo1212/RIOT,neumodisch/RIOT,dailab/RIOT,plushvoxel/RIOT,kaleb-himes/RIOT,rousselk/RIOT,Hyungsin/RIOT-OS,malosek/RIOT,kbumsik/RIOT,thomaseichinger/RIOT,authmillenon/RIOT,mfrey/RIOT,dkm/RIOT,aeneby/RIOT,rousselk/RIOT,A-Paul/RIOT,OlegHahm/RIOT,rajma996/RIOT,MohmadAyman/RIOT,kYc0o/RIOT,Josar/RIOT,LudwigKnuepfer/RIOT,LudwigOrtmann/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,LudwigKnuepfer/RIOT,gautric/RIOT,jasonatran/RIOT,FrancescoErmini/RIOT,lazytech-org/RIOT,hamilton-mote/RIOT-OS,altairpearl/RIOT,jremmert-phytec-iot/RIOT,avmelnikoff/RIOT,Hyungsin/RIOT-OS,BytesGalore/RIOT,RIOT-OS/RIOT,FrancescoErmini/RIOT,syin2/RIOT,x3ro/RIOT,backenklee/RIOT,yogo1212/RIOT,alignan/RIOT,malosek/RIOT,FrancescoErmini/RIOT,avmelnikoff/RIOT,mtausig/RIOT,aeneby/RIOT,ant9000/RIOT,rfuentess/RIOT,zhuoshuguo/RIOT,biboc/RIOT,ant9000/RIOT,asanka-code/RIOT,shady33/RIOT,roberthartung/RIOT,BytesGalore/RIOT,rfuentess/RIOT,backenklee/RIOT,avmelnikoff/RIOT,wentaoshang/RIOT,biboc/RIOT,ks156/RIOT,rakendrathapa/RIOT,syin2/RIOT,adrianghc/RIOT,altairpearl/RIOT,kbumsik/RIOT,kb2ma/RIOT,toonst/RIOT,brettswann/RIOT,asanka-code/RIOT,jfischer-phytec-iot/RIOT,d00616/RIOT,FrancescoErmini/RIOT,TobiasFredersdorf/RIOT,zhuoshuguo/RIOT,A-Paul/RIOT,shady33/RIOT,jbeyerstedt/RIOT-OTA-update,thomaseichinger/RIOT,MohmadAyman/RIOT,smlng/RIOT,TobiasFredersdorf/RIOT,BytesGalore/RIOT,d00616/RIOT,backenklee/RIOT,BytesGalore/RIOT,aeneby/RIOT,rakendrathapa/RIOT,mtausig/RIOT,A-Paul/RIOT,rajma996/RIOT,zhuoshuguo/RIOT,cladmi/RIOT,LudwigKnuepfer/RIOT,adjih/RIOT,OlegHahm/RIOT,roberthartung/RIOT,cladmi/RIOT,OlegHahm/RIOT,authmillenon/RIOT,roberthartung/RIOT,kYc0o/RIOT,MohmadAyman/RIOT,x3ro/RIOT,kaleb-himes/RIOT,rajma996/RIOT,adjih/RIOT,neiljay/RIOT,wentaoshang/RIOT,alignan/RIOT,gebart/RIOT,katezilla/RIOT,miri64/RIOT,biboc/RIOT,Ell-i/RIOT,neumodisch/RIOT,mfrey/RIOT,plushvoxel/RIOT,rousselk/RIOT,attdona/RIOT,syin2/RIOT,lazytech-org/RIOT,Ell-i/RIOT,gebart/RIOT,wentaoshang/RIOT,gautric/RIOT,syin2/RIOT,hamilton-mote/RIOT-OS,rakendrathapa/RIOT,katezilla/RIOT,hamilton-mote/RIOT-OS,wentaoshang/RIOT,hamilton-mote/RIOT-OS,gautric/RIOT,aeneby/RIOT,rfuentess/RIOT,dkm/RIOT,LudwigOrtmann/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,kaspar030/RIOT,backenklee/RIOT,immesys/RiSyn,kerneltask/RIOT,josephnoir/RIOT,immesys/RiSyn,gebart/RIOT,lazytech-org/RIOT,immesys/RiSyn,OTAkeys/RIOT,RIOT-OS/RIOT,aeneby/RIOT,Josar/RIOT,MohmadAyman/RIOT,jremmert-phytec-iot/RIOT,dailab/RIOT,OTAkeys/RIOT,malosek/RIOT,adrianghc/RIOT,rakendrathapa/RIOT,tfar/RIOT,LudwigOrtmann/RIOT,gebart/RIOT,toonst/RIOT,adrianghc/RIOT,jremmert-phytec-iot/RIOT,dailab/RIOT,d00616/RIOT,thomaseichinger/RIOT,alignan/RIOT,josephnoir/RIOT,kbumsik/RIOT,ant9000/RIOT,kYc0o/RIOT,brettswann/RIOT,plushvoxel/RIOT,jbeyerstedt/RIOT-OTA-update,neumodisch/RIOT,yogo1212/RIOT,x3ro/RIOT,beurdouche/RIOT,authmillenon/RIOT,basilfx/RIOT,shady33/RIOT,Hyungsin/RIOT-OS,immesys/RiSyn,tfar/RIOT,lazytech-org/RIOT,josephnoir/RIOT,wentaoshang/RIOT,kbumsik/RIOT,kYc0o/RIOT,attdona/RIOT,brettswann/RIOT,tfar/RIOT,basilfx/RIOT,rfuentess/RIOT,ks156/RIOT,neiljay/RIOT,x3ro/RIOT,ks156/RIOT,backenklee/RIOT,tfar/RIOT,Ell-i/RIOT,jfischer-phytec-iot/RIOT,d00616/RIOT,RIOT-OS/RIOT,neiljay/RIOT,gautric/RIOT,Ell-i/RIOT,avmelnikoff/RIOT,smlng/RIOT,avmelnikoff/RIOT,d00616/RIOT,kbumsik/RIOT,authmillenon/RIOT,adjih/RIOT,basilfx/RIOT,mfrey/RIOT,alignan/RIOT,attdona/RIOT,jbeyerstedt/RIOT-OTA-update,Josar/RIOT,neiljay/RIOT,roberthartung/RIOT,OTAkeys/RIOT,dkm/RIOT,jremmert-phytec-iot/RIOT,toonst/RIOT,brettswann/RIOT,altairpearl/RIOT,OTAkeys/RIOT,hamilton-mote/RIOT-OS,zhuoshuguo/RIOT,jremmert-phytec-iot/RIOT,jasonatran/RIOT,altairpearl/RIOT,d00616/RIOT,RIOT-OS/RIOT,authmillenon/RIOT,dkm/RIOT,smlng/RIOT,miri64/RIOT,kaspar030/RIOT,jasonatran/RIOT