native/make/osx: circumvent unavailable gobjcopy
native/make/osx: circumvent unavailable gobjcopy

It's not used anyways, so just create an empty hex file if gobjcopy is
not found.

gebart/RIOT,attdona/RIOT,ximus/RIOT,miri64/RIOT,alex1818/RIOT,nsol-nmsu/RIOT,koenning/RIOT,MohmadAyman/RIOT,Osblouf/RIOT,altairpearl/RIOT,l3nko/RIOT,TobiasFredersdorf/RIOT,openkosmosorg/RIOT,nsol-nmsu/RIOT,rfswarm/RIOT,brettswann/RIOT,rfswarm2/RIOT,Ell-i/RIOT,ThanhVic/RIOT,OTAkeys/RIOT,adjih/RIOT,dhruvvyas90/RIOT,stevenj/RIOT,sgso/RIOT,DipSwitch/RIOT,FrancescoErmini/RIOT,kb2ma/RIOT,FrancescoErmini/RIOT,A-Paul/RIOT,abkam07/RIOT,jbeyerstedt/RIOT-OTA-update,katezilla/RIOT,Osblouf/RIOT,beurdouche/RIOT,MarkXYang/RIOT,biboc/RIOT,ks156/RIOT,alignan/RIOT,abp719/RIOT,abkam07/RIOT,brettswann/RIOT,gautric/RIOT,dailab/RIOT,tdautc19841202/RIOT,latsku/RIOT,alignan/RIOT,l3nko/RIOT,alex1818/RIOT,shady33/RIOT,arvindpdmn/RIOT,brettswann/RIOT,rakendrathapa/RIOT,herrfz/RIOT-old,Darredevil/RIOT,neiljay/RIOT,jasonatran/RIOT,lebrush/RIOT,luciotorre/RIOT,marcosalm/RIOT,mtausig/RIOT,DipSwitch/RIOT,daniel-k/RIOT,kYc0o/RIOT,centurysys/RIOT,RBartz/RIOT,chris-wood/RIOT,sgso/RIOT,hamilton-mote/RIOT-OS,kushalsingh007/RIOT,msolters/RIOT,mtausig/RIOT,jhollister/RIOT,RBartz/RIOT,biboc/RIOT,miri64/RIOT,mziegert/RIOT,1blankz7/RIOT,Osblouf/RIOT,neumodisch/RIOT,luciotorre/RIOT,changbiao/RIOT,EmuxEvans/RIOT,x3ro/RIOT,mtausig/RIOT,authmillenon/RIOT,yogo1212/RIOT,jbeyerstedt/RIOT-OTA-update,PSHIVANI/Riot-Code,rfswarm/RIOT,watr-li/RIOT,tfar/RIOT,openkosmosorg/RIOT,OlegHahm/RIOT,automote/RIOT,plushvoxel/RIOT,FrancescoErmini/RIOT,luciotorre/RIOT,yogo1212/RIOT,Ell-i/RIOT,openkosmosorg/RIOT,yogo1212/RIOT,BytesGalore/RIOT,phiros/RIOT,kaspar030/RIOT,dkm/RIOT,roberthartung/RIOT,rfswarm/RIOT,OlegHahm/RIOT,shady33/RIOT,thomaseichinger/RIOT,benoit-canet/RIOT,dhruvvyas90/RIOT,mziegert/RIOT,jasonatran/RIOT,d00616/RIOT,kYc0o/RIOT,luciotorre/RIOT,tfar/RIOT,automote/RIOT,binarylemon/RIOT,malosek/RIOT,RubikonAlpha/RIOT,gbarnett/RIOT,wentaoshang/RIOT,fnack/RIOT,thiagohd/RIOT,TobiasFredersdorf/RIOT,cladmi/RIOT,watr-li/RIOT,gbarnett/RIOT,adjih/RIOT,MarkXYang/RIOT,latsku/RIOT,kYc0o/RIOT,automote/RIOT,benoit-canet/RIOT,LudwigOrtmann/RIOT,mfrey/RIOT,jremmert-phytec-iot/RIOT,rousselk/RIOT,rajma996/RIOT,jhollister/RIOT,mziegert/RIOT,jferreir/RIOT,toonst/RIOT,alex1818/RIOT,authmillenon/RIOT,zhuoshuguo/RIOT,kushalsingh007/RIOT,patkan/RIOT,robixnai/RIOT,ant9000/RIOT,rousselk/RIOT,JensErdmann/RIOT,khhhh/RIOT,ThanhVic/RIOT,neiljay/RIOT,rfswarm/RIOT,roberthartung/RIOT,openkosmosorg/RIOT,benoit-canet/RIOT,ximus/RIOT,benoit-canet/RIOT,patkan/RIOT,marcosalm/RIOT,avmelnikoff/RIOT,ks156/RIOT,immesys/RiSyn,PSHIVANI/Riot-Code,immesys/RiSyn,thiagohd/RIOT,mziegert/RIOT,dkm/RIOT,basilfx/RIOT,MohmadAyman/RIOT,PSHIVANI/Riot-Code,phiros/RIOT,josephnoir/RIOT,lebrush/RIOT,rakendrathapa/RIOT,khhhh/RIOT,haoyangyu/RIOT,zhuoshuguo/RIOT,OTAkeys/RIOT,tdautc19841202/RIOT,adjih/RIOT,malosek/RIOT,jremmert-phytec-iot/RIOT,backenklee/RIOT,luciotorre/RIOT,tdautc19841202/RIOT,msolters/RIOT,Ell-i/RIOT,FrancescoErmini/RIOT,rfuentess/RIOT,MarkXYang/RIOT,dailab/RIOT,kaleb-himes/RIOT,chris-wood/RIOT,TobiasFredersdorf/RIOT,Josar/RIOT,1blankz7/RIOT,dhruvvyas90/RIOT,neiljay/RIOT,gebart/RIOT,malosek/RIOT,syin2/RIOT,khhhh/RIOT,rfswarm2/RIOT,lazytech-org/RIOT,stevenj/RIOT,attdona/RIOT,PSHIVANI/Riot-Code,rfswarm/RIOT,zhuoshuguo/RIOT,MonsterCode8000/RIOT,Hyungsin/RIOT-OS,Lexandro92/RIOT-CoAP,ks156/RIOT,RIOT-OS/RIOT,MohmadAyman/RIOT,lebrush/RIOT,jfischer-phytec-iot/RIOT,rousselk/RIOT,marcosalm/RIOT,smlng/RIOT,sgso/RIOT,gebart/RIOT,DipSwitch/RIOT,rfuentess/RIOT,ThanhVic/RIOT,cladmi/RIOT,LudwigKnuepfer/RIOT,RBartz/RIOT,JensErdmann/RIOT,rakendrathapa/RIOT,jhollister/RIOT,1blankz7/RIOT,jasonatran/RIOT,plushvoxel/RIOT,roberthartung/RIOT,malosek/RIOT,MonsterCode8000/RIOT,ntrtrung/RIOT,brettswann/RIOT,thomaseichinger/RIOT,OTAkeys/RIOT,benoit-canet/RIOT,altairpearl/RIOT,automote/RIOT,mfrey/RIOT,Osblouf/RIOT,daniel-k/RIOT,Darredevil/RIOT,chris-wood/RIOT,x3ro/RIOT,basilfx/RIOT,dkm/RIOT,fnack/RIOT,malosek/RIOT,zhuoshuguo/RIOT,biboc/RIOT,dailab/RIOT,l3nko/RIOT,jremmert-phytec-iot/RIOT,phiros/RIOT,Lexandro92/RIOT-CoAP,Darredevil/RIOT,Lexandro92/RIOT-CoAP,foss-for-synopsys-dwc-arc-processors/RIOT,1blankz7/RIOT,MohmadAyman/RIOT,ximus/RIOT,OlegHahm/RIOT,kbumsik/RIOT,alex1818/RIOT,wentaoshang/RIOT,jremmert-phytec-iot/RIOT,rfuentess/RIOT,Ell-i/RIOT,kaspar030/RIOT,phiros/RIOT,sumanpanchal/RIOT,gbarnett/RIOT,abkam07/RIOT,kYc0o/RIOT,arvindpdmn/RIOT,RIOT-OS/RIOT,Darredevil/RIOT,DipSwitch/RIOT,watr-li/RIOT,jbeyerstedt/RIOT-OTA-update,kaleb-himes/RIOT,authmillenon/RIOT,Hyungsin/RIOT-OS,jhollister/RIOT,avmelnikoff/RIOT,neumodisch/RIOT,nsol-nmsu/RIOT,sgso/RIOT,katezilla/RIOT,neumodisch/RIOT,brettswann/RIOT,aeneby/RIOT,Josar/RIOT,tdautc19841202/RIOT,nsol-nmsu/RIOT,shady33/RIOT,tfar/RIOT,thiagohd/RIOT,mfrey/RIOT,miri64/RIOT,LudwigKnuepfer/RIOT,EmuxEvans/RIOT,alignan/RIOT,syin2/RIOT,tfar/RIOT,roberthartung/RIOT,ThanhVic/RIOT,watr-li/RIOT,kb2ma/RIOT,EmuxEvans/RIOT,altairpearl/RIOT,josephnoir/RIOT,centurysys/RIOT,cladmi/RIOT,rajma996/RIOT,rfswarm2/RIOT,latsku/RIOT,herrfz/RIOT-old,lebrush/RIOT,d00616/RIOT,khhhh/RIOT,kb2ma/RIOT,tfar/RIOT,msolters/RIOT,jfischer-phytec-iot/RIOT,latsku/RIOT,syin2/RIOT,haoyangyu/RIOT,automote/RIOT,avmelnikoff/RIOT,stevenj/RIOT,kaleb-himes/RIOT,d00616/RIOT,jasonatran/RIOT,alignan/RIOT,Yonezawa-T2/RIOT,haoyangyu/RIOT,OTAkeys/RIOT,bartfaizoltan/RIOT,MarkXYang/RIOT,AnonMall/RIOT,rajma996/RIOT,mziegert/RIOT,shady33/RIOT,neumodisch/RIOT,A-Paul/RIOT,abp719/RIOT,toonst/RIOT,ant9000/RIOT,Josar/RIOT,chris-wood/RIOT,katezilla/RIOT,robixnai/RIOT,kerneltask/RIOT,binarylemon/RIOT,asanka-code/RIOT,kaspar030/RIOT,robixnai/RIOT,1blankz7/RIOT,MonsterCode8000/RIOT,abp719/RIOT,lebrush/RIOT,LudwigKnuepfer/RIOT,arvindpdmn/RIOT,centurysys/RIOT,koenning/RIOT,binarylemon/RIOT,MonsterCode8000/RIOT,d00616/RIOT,kushalsingh007/RIOT,dailab/RIOT,roberthartung/RIOT,DipSwitch/RIOT,lazytech-org/RIOT,daniel-k/RIOT,jremmert-phytec-iot/RIOT,thomaseichinger/RIOT,adrianghc/RIOT,immesys/RiSyn,watr-li/RIOT,mziegert/RIOT,lazytech-org/RIOT,bartfaizoltan/RIOT,miri64/RIOT,altairpearl/RIOT,sumanpanchal/RIOT,biboc/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,biboc/RIOT,d00616/RIOT,kbumsik/RIOT,tdautc19841202/RIOT,watr-li/RIOT,adjih/RIOT,Darredevil/RIOT,AnonMall/RIOT,x3ro/RIOT,alex1818/RIOT,marcosalm/RIOT,herrfz/RIOT-old,1blankz7/RIOT,BytesGalore/RIOT,rfswarm2/RIOT,rakendrathapa/RIOT,jferreir/RIOT,beurdouche/RIOT,tdautc19841202/RIOT,smlng/RIOT,aeneby/RIOT,BytesGalore/RIOT,attdona/RIOT,changbiao/RIOT,gbarnett/RIOT,yogo1212/RIOT,A-Paul/RIOT,gautric/RIOT,malosek/RIOT,gebart/RIOT,neumodisch/RIOT,AnonMall/RIOT,bartfaizoltan/RIOT,dailab/RIOT,marcosalm/RIOT,thomaseichinger/RIOT,Josar/RIOT,koenning/RIOT,adrianghc/RIOT,Josar/RIOT,abp719/RIOT,d00616/RIOT,lazytech-org/RIOT,stevenj/RIOT,katezilla/RIOT,backenklee/RIOT,lazytech-org/RIOT,Hyungsin/RIOT-OS,RubikonAlpha/RIOT,MonsterCode8000/RIOT,patkan/RIOT,plushvoxel/RIOT,toonst/RIOT,rfswarm/RIOT,nsol-nmsu/RIOT,RubikonAlpha/RIOT,abp719/RIOT,josephnoir/RIOT,ximus/RIOT,gautric/RIOT,kerneltask/RIOT,dhruvvyas90/RIOT,ntrtrung/RIOT,fnack/RIOT,attdona/RIOT,asanka-code/RIOT,rfswarm2/RIOT,ntrtrung/RIOT,yogo1212/RIOT,openkosmosorg/RIOT,JensErdmann/RIOT,fnack/RIOT,mfrey/RIOT,mfrey/RIOT,miri64/RIOT,Lexandro92/RIOT-CoAP,wentaoshang/RIOT,gautric/RIOT,kerneltask/RIOT,neiljay/RIOT,latsku/RIOT,josephnoir/RIOT,plushvoxel/RIOT,robixnai/RIOT,Hyungsin/RIOT-OS,foss-for-synopsys-dwc-arc-processors/RIOT,basilfx/RIOT,haoyangyu/RIOT,LudwigKnuepfer/RIOT,jremmert-phytec-iot/RIOT,sgso/RIOT,koenning/RIOT,dhruvvyas90/RIOT,smlng/RIOT,fnack/RIOT,ant9000/RIOT,Yonezawa-T2/RIOT,RubikonAlpha/RIOT,Lexandro92/RIOT-CoAP,PSHIVANI/Riot-Code,wentaoshang/RIOT,kaspar030/RIOT,BytesGalore/RIOT,avmelnikoff/RIOT,Lexandro92/RIOT-CoAP,neumodisch/RIOT,abp719/RIOT,kushalsingh007/RIOT,OTAkeys/RIOT,ks156/RIOT,hamilton-mote/RIOT-OS,zhuoshuguo/RIOT,dhruvvyas90/RIOT,backenklee/RIOT,aeneby/RIOT,toonst/RIOT,LudwigOrtmann/RIOT,syin2/RIOT,JensErdmann/RIOT,zhuoshuguo/RIOT,rajma996/RIOT,kbumsik/RIOT,AnonMall/RIOT,khhhh/RIOT,abkam07/RIOT,wentaoshang/RIOT,smlng/RIOT,openkosmosorg/RIOT,immesys/RiSyn,TobiasFredersdorf/RIOT,rfuentess/RIOT,wentaoshang/RIOT,RubikonAlpha/RIOT,changbiao/RIOT,changbiao/RIOT,mtausig/RIOT,RBartz/RIOT,jbeyerstedt/RIOT-OTA-update,LudwigOrtmann/RIOT,robixnai/RIOT,patkan/RIOT,lebrush/RIOT,Osblouf/RIOT,arvindpdmn/RIOT,daniel-k/RIOT,l3nko/RIOT,jhollister/RIOT,jfischer-phytec-iot/RIOT,asanka-code/RIOT,kbumsik/RIOT,basilfx/RIOT,asanka-code/RIOT,thiagohd/RIOT,centurysys/RIOT,jfischer-phytec-iot/RIOT,ntrtrung/RIOT,syin2/RIOT,kerneltask/RIOT,ant9000/RIOT,LudwigKnuepfer/RIOT,abkam07/RIOT,authmillenon/RIOT,RIOT-OS/RIOT,kb2ma/RIOT,Osblouf/RIOT,arvindpdmn/RIOT,immesys/RiSyn,Darredevil/RIOT,rousselk/RIOT,altairpearl/RIOT,koenning/RIOT,gbarnett/RIOT,yogo1212/RIOT,gebart/RIOT,jhollister/RIOT,centurysys/RIOT,dkm/RIOT,ximus/RIOT,centurysys/RIOT,EmuxEvans/RIOT,latsku/RIOT,ntrtrung/RIOT,kaleb-himes/RIOT,hamilton-mote/RIOT-OS,daniel-k/RIOT,herrfz/RIOT-old,rousselk/RIOT,x3ro/RIOT,MohmadAyman/RIOT,jferreir/RIOT,patkan/RIOT,jferreir/RIOT,basilfx/RIOT,fnack/RIOT,Yonezawa-T2/RIOT,hamilton-mote/RIOT-OS,chris-wood/RIOT,sumanpanchal/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,gbarnett/RIOT,asanka-code/RIOT,thiagohd/RIOT,robixnai/RIOT,jfischer-phytec-iot/RIOT,daniel-k/RIOT,altairpearl/RIOT,herrfz/RIOT-old,cladmi/RIOT,RIOT-OS/RIOT,shady33/RIOT,RubikonAlpha/RIOT,beurdouche/RIOT,MarkXYang/RIOT,herrfz/RIOT,asanka-code/RIOT,l3nko/RIOT,aeneby/RIOT,herrfz/RIOT,stevenj/RIOT,sumanpanchal/RIOT,herrfz/RIOT,changbiao/RIOT,rajma996/RIOT,jferreir/RIOT,herrfz/RIOT,changbiao/RIOT,benoit-canet/RIOT,Yonezawa-T2/RIOT,cladmi/RIOT,RBartz/RIOT,kushalsingh007/RIOT,sumanpanchal/RIOT,l3nko/RIOT,stevenj/RIOT,AnonMall/RIOT,BytesGalore/RIOT,koenning/RIOT,binarylemon/RIOT,haoyangyu/RIOT,FrancescoErmini/RIOT,haoyangyu/RIOT,arvindpdmn/RIOT,ntrtrung/RIOT,RBartz/RIOT,DipSwitch/RIOT,bartfaizoltan/RIOT,katezilla/RIOT,JensErdmann/RIOT,EmuxEvans/RIOT,A-Paul/RIOT,adrianghc/RIOT,rakendrathapa/RIOT,rakendrathapa/RIOT,dkm/RIOT,sumanpanchal/RIOT,beurdouche/RIOT,A-Paul/RIOT,jasonatran/RIOT,Ell-i/RIOT,MarkXYang/RIOT,LudwigOrtmann/RIOT,jferreir/RIOT,kbumsik/RIOT,gautric/RIOT,kushalsingh007/RIOT,JensErdmann/RIOT,bartfaizoltan/RIOT,thiagohd/RIOT,rousselk/RIOT,kb2ma/RIOT,authmillenon/RIOT,toonst/RIOT,phiros/RIOT,backenklee/RIOT,FrancescoErmini/RIOT,phiros/RIOT,mtausig/RIOT,plushvoxel/RIOT,immesys/RiSyn,EmuxEvans/RIOT,kaspar030/RIOT,herrfz/RIOT,thomaseichinger/RIOT,automote/RIOT,sgso/RIOT,rfswarm2/RIOT,Yonezawa-T2/RIOT,Yonezawa-T2/RIOT,kaleb-himes/RIOT,alignan/RIOT,luciotorre/RIOT,msolters/RIOT,jbeyerstedt/RIOT-OTA-update,rajma996/RIOT,josephnoir/RIOT,ThanhVic/RIOT,msolters/RIOT,x3ro/RIOT,attdona/RIOT,bartfaizoltan/RIOT,ximus/RIOT,backenklee/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,ks156/RIOT,hamilton-mote/RIOT-OS,ThanhVic/RIOT,binarylemon/RIOT,brettswann/RIOT,shady33/RIOT,attdona/RIOT,LudwigOrtmann/RIOT,adrianghc/RIOT,avmelnikoff/RIOT,MonsterCode8000/RIOT,neiljay/RIOT,adjih/RIOT,LudwigOrtmann/RIOT,adrianghc/RIOT,khhhh/RIOT,beurdouche/RIOT,chris-wood/RIOT,rfuentess/RIOT,OlegHahm/RIOT,abkam07/RIOT,smlng/RIOT,Hyungsin/RIOT-OS,herrfz/RIOT,authmillenon/RIOT,TobiasFredersdorf/RIOT,patkan/RIOT,aeneby/RIOT,AnonMall/RIOT,marcosalm/RIOT,msolters/RIOT,ant9000/RIOT,OlegHahm/RIOT,alex1818/RIOT,PSHIVANI/Riot-Code,kerneltask/RIOT,MohmadAyman/RIOT,RIOT-OS/RIOT,binarylemon/RIOT,kYc0o/RIOT