z1: Fix UART pin assignment
z1: Fix UART pin assignment

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