Various small fixes to get I2C working.
Various small fixes to get I2C working.

bremoran/mbed-drivers,struempelix/mbed,jferreir/mbed,bulislaw/mbed-os,betzw/mbed-os,nvlsianpu/mbed,ban4jp/mbed,getopenmono/mbed,EmuxEvans/mbed,fpiot/mbed-ats,mikaleppanen/mbed-os,logost/mbed,bulislaw/mbed-os,bcostm/mbed-os,radhika-raghavendran/mbed-os5.1-onsemi,jeremybrodt/mbed,monkiineko/mbed-os,larks/mbed,infinnovation/mbed-os,wodji/mbed,rgrover/mbed,hwfwgrp/mbed,RonEld/mbed,devanlai/mbed,masaohamanaka/mbed,brstew/MBED-BUILD,betzw/mbed-os,ban4jp/mbed,wodji/mbed,maximmbed/mbed,devanlai/mbed,nRFMesh/mbed-os,Sweet-Peas/mbed,nabilbendafi/mbed,jferreir/mbed,Timmmm/mbed,netzimme/mbed-os,logost/mbed,brstew/MBED-BUILD,brstew/MBED-BUILD,c1728p9/mbed-os,j-greffe/mbed-os,pradeep-gr/mbed-os5-onsemi,andreaslarssonublox/mbed,fahhem/mbed-os,sam-geek/mbed,hwfwgrp/mbed,mazimkhan/mbed-os,JasonHow44/mbed,getopenmono/mbed,fvincenzo/mbed-os,monkiineko/mbed-os,alertby/mbed,andreaslarssonublox/mbed,bremoran/mbed-drivers,rosterloh/mbed,pedromes/mbed,naves-thiago/mbed-midi,EmuxEvans/mbed,nvlsianpu/mbed,ban4jp/mbed,kl-cruz/mbed-os,nRFMesh/mbed-os,alertby/mbed,Shengliang/mbed,hwfwgrp/mbed,fahhem/mbed-os,radhika-raghavendran/mbed-os5.1-onsemi,YarivCol/mbed-os,pbrook/mbed,mmorenobarm/mbed-os,kpurusho/mbed,struempelix/mbed,betzw/mbed-os,kpurusho/mbed,bentwire/mbed,rosterloh/mbed,andreaslarssonublox/mbed,jamesadevine/mbed,K4zuki/mbed,RonEld/mbed,fanghuaqi/mbed,radhika-raghavendran/mbed-os5.1-onsemi,bentwire/mbed,jeremybrodt/mbed,betzw/mbed-os,fanghuaqi/mbed,mmorenobarm/mbed-os,svogl/mbed-os,Marcomissyou/mbed,adustm/mbed,nRFMesh/mbed-os,pradeep-gr/mbed-os5-onsemi,pbrook/mbed,adustm/mbed,rosterloh/mbed,svogl/mbed-os,CalSol/mbed,naves-thiago/mbed-midi,adamgreen/mbed,screamerbg/mbed,svastm/mbed,Marcomissyou/mbed,theotherjimmy/mbed,DanKupiniak/mbed,arostm/mbed-os,fpiot/mbed-ats,RonEld/mbed,screamerbg/mbed,pradeep-gr/mbed-os5-onsemi,Marcomissyou/mbed,andreaslarssonublox/mbed,geky/mbed,netzimme/mbed-os,wodji/mbed,karsev/mbed-os,mnlipp/mbed,Willem23/mbed,mazimkhan/mbed-os,devanlai/mbed,mazimkhan/mbed-os,jeremybrodt/mbed,geky/mbed,andcor02/mbed-os,Marcomissyou/mbed,RonEld/mbed,maximmbed/mbed,netzimme/mbed-os,pi19404/mbed,larks/mbed,al177/mbed,theotherjimmy/mbed,karsev/mbed-os,dbestm/mbed,GustavWi/mbed,JasonHow44/mbed,autopulated/mbed,NordicSemiconductor/mbed,pedromes/mbed,bulislaw/mbed-os,EmuxEvans/mbed,bikeNomad/mbed,kl-cruz/mbed-os,Sweet-Peas/mbed,adustm/mbed,fahhem/mbed-os,dbestm/mbed,getopenmono/mbed,ARM-software/mbed-beetle,rgrover/mbed,arostm/mbed-os,svastm/mbed,Archcady/mbed-os,DanKupiniak/mbed,theotherjimmy/mbed,masaohamanaka/mbed,maximmbed/mbed,ryankurte/mbed-os,bikeNomad/mbed,jrjang/mbed,NitinBhaskar/mbed,pi19404/mbed,Timmmm/mbed,maximmbed/mbed,al177/mbed,brstew/MBED-BUILD,karsev/mbed-os,bentwire/mbed,catiedev/mbed-os,infinnovation/mbed-os,tung7970/mbed-os,sg-/mbed-drivers,mmorenobarm/mbed-os,Tiryoh/mbed,kl-cruz/mbed-os,mazimkhan/mbed-os,Shengliang/mbed,bentwire/mbed,karsev/mbed-os,EmuxEvans/mbed,catiedev/mbed-os,karsev/mbed-os,svastm/mbed,FranklyDev/mbed,CalSol/mbed,NXPmicro/mbed,kpurusho/mbed,svastm/mbed,infinnovation/mbed-os,0xc0170/mbed-drivers,mikaleppanen/mbed-os,mbedmicro/mbed,adamgreen/mbed,HeadsUpDisplayInc/mbed,Shengliang/mbed,theotherjimmy/mbed,kjbracey-arm/mbed,Willem23/mbed,Tiryoh/mbed,dbestm/mbed,jrjang/mbed,EmuxEvans/mbed,JasonHow44/mbed,infinnovation/mbed-os,svogl/mbed-os,jpbrucker/mbed,j-greffe/mbed-os,YarivCol/mbed-os,alertby/mbed,kjbracey-arm/mbed,HeadsUpDisplayInc/mbed,ryankurte/mbed-os,mazimkhan/mbed-os,ryankurte/mbed-os,NordicSemiconductor/mbed,logost/mbed,catiedev/mbed-os,bcostm/mbed-os,CalSol/mbed,larks/mbed,tung7970/mbed-os,jamesadevine/mbed,netzimme/mbed-os,monkiineko/mbed-os,pi19404/mbed,maximmbed/mbed,cvtsi2sd/mbed-os,fanghuaqi/mbed,NordicSemiconductor/mbed,arostm/mbed-os,mnlipp/mbed,tung7970/mbed-os,fvincenzo/mbed-os,radhika-raghavendran/mbed-os5.1-onsemi,xcrespo/mbed,al177/mbed,brstew/MBED-BUILD,c1728p9/mbed-os,c1728p9/mbed-os,Marcomissyou/mbed,masaohamanaka/mbed,kl-cruz/mbed-os,radhika-raghavendran/mbed-os5.1-onsemi,devanlai/mbed,fanghuaqi/mbed,rgrover/mbed,YarivCol/mbed-os,EmuxEvans/mbed,mbedmicro/mbed,mikaleppanen/mbed-os,larks/mbed,pbrook/mbed,HeadsUpDisplayInc/mbed,nabilbendafi/mbed,adustm/mbed,monkiineko/mbed-os,hwfwgrp/mbed,dbestm/mbed,jrjang/mbed,brstew/MBED-BUILD,fpiot/mbed-ats,jamesadevine/mbed,catiedev/mbed-os,svogl/mbed-os,adustm/mbed,larks/mbed,mnlipp/mbed,jeremybrodt/mbed,sg-/mbed-drivers,ARM-software/mbed-beetle,JasonHow44/mbed,Archcady/mbed-os,screamerbg/mbed,sam-geek/mbed,NitinBhaskar/mbed,struempelix/mbed,mmorenobarm/mbed-os,catiedev/mbed-os,adustm/mbed,screamerbg/mbed,HeadsUpDisplayInc/mbed,ban4jp/mbed,cvtsi2sd/mbed-os,FranklyDev/mbed,betzw/mbed-os,Timmmm/mbed,NitinBhaskar/mbed,sam-geek/mbed,Tiryoh/mbed,autopulated/mbed,jferreir/mbed,jferreir/mbed,masaohamanaka/mbed,geky/mbed,struempelix/mbed,NXPmicro/mbed,Tiryoh/mbed,GustavWi/mbed,jpbrucker/mbed,j-greffe/mbed-os,fahhem/mbed-os,tung7970/mbed-os-1,jpbrucker/mbed,JasonHow44/mbed,nvlsianpu/mbed,NitinBhaskar/mbed,infinnovation/mbed-os,bcostm/mbed-os,geky/mbed,jferreir/mbed,andcor02/mbed-os,maximmbed/mbed,alertby/mbed,jpbrucker/mbed,andreaslarssonublox/mbed,logost/mbed,Archcady/mbed-os,naves-thiago/mbed-midi,masaohamanaka/mbed,ARM-software/mbed-beetle,HeadsUpDisplayInc/mbed,tung7970/mbed-os,mbedmicro/mbed,j-greffe/mbed-os,cvtsi2sd/mbed-os,hwfwgrp/mbed,rosterloh/mbed,logost/mbed,nRFMesh/mbed-os,Archcady/mbed-os,tung7970/mbed-os-1,mbedmicro/mbed,bentwire/mbed,fvincenzo/mbed-os,bulislaw/mbed-os,tung7970/mbed-os-1,Sweet-Peas/mbed,fahhem/mbed-os,c1728p9/mbed-os,devanlai/mbed,pradeep-gr/mbed-os5-onsemi,CalSol/mbed,Archcady/mbed-os,Sweet-Peas/mbed,cvtsi2sd/mbed-os,FranklyDev/mbed,bcostm/mbed-os,xcrespo/mbed,theotherjimmy/mbed,nabilbendafi/mbed,Willem23/mbed,naves-thiago/mbed-midi,Timmmm/mbed,0xc0170/mbed-drivers,K4zuki/mbed,mmorenobarm/mbed-os,masaohamanaka/mbed,screamerbg/mbed,svogl/mbed-os,al177/mbed,autopulated/mbed,mikaleppanen/mbed-os,ryankurte/mbed-os,kpurusho/mbed,jamesadevine/mbed,NXPmicro/mbed,K4zuki/mbed,bentwire/mbed,c1728p9/mbed-os,pi19404/mbed,xcrespo/mbed,fvincenzo/mbed-os,K4zuki/mbed,sam-geek/mbed,nvlsianpu/mbed,screamerbg/mbed,FranklyDev/mbed,al177/mbed,autopulated/mbed,ryankurte/mbed-os,xcrespo/mbed,struempelix/mbed,adamgreen/mbed,rgrover/mbed,fahhem/mbed-os,jamesadevine/mbed,pedromes/mbed,monkiineko/mbed-os,ban4jp/mbed,andcor02/mbed-os,kjbracey-arm/mbed,bcostm/mbed-os,adamgreen/mbed,hwfwgrp/mbed,nabilbendafi/mbed,andcor02/mbed-os,NitinBhaskar/mbed,c1728p9/mbed-os,mbedmicro/mbed,GustavWi/mbed,radhika-raghavendran/mbed-os5.1-onsemi,Tiryoh/mbed,pradeep-gr/mbed-os5-onsemi,j-greffe/mbed-os,mnlipp/mbed,Shengliang/mbed,adamgreen/mbed,autopulated/mbed,andcor02/mbed-os,pbrook/mbed,wodji/mbed,mnlipp/mbed,pedromes/mbed,tung7970/mbed-os-1,CalSol/mbed,struempelix/mbed,NXPmicro/mbed,arostm/mbed-os,naves-thiago/mbed-midi,Sweet-Peas/mbed,al177/mbed,Willem23/mbed,fpiot/mbed-ats,Archcady/mbed-os,Tiryoh/mbed,nRFMesh/mbed-os,YarivCol/mbed-os,bulislaw/mbed-os,DanKupiniak/mbed,JasonHow44/mbed,xcrespo/mbed,GustavWi/mbed,autopulated/mbed,Shengliang/mbed,svastm/mbed,nabilbendafi/mbed,cvtsi2sd/mbed-os,adamgreen/mbed,theotherjimmy/mbed,NordicSemiconductor/mbed,fpiot/mbed-ats,bulislaw/mbed-os,GustavWi/mbed,infinnovation/mbed-os,jeremybrodt/mbed,Willem23/mbed,fanghuaqi/mbed,andcor02/mbed-os,Sweet-Peas/mbed,jpbrucker/mbed,DanKupiniak/mbed,netzimme/mbed-os,logost/mbed,NXPmicro/mbed,wodji/mbed,jpbrucker/mbed,arostm/mbed-os,kpurusho/mbed,naves-thiago/mbed-midi,mazimkhan/mbed-os,nRFMesh/mbed-os,bikeNomad/mbed,jrjang/mbed,karsev/mbed-os,HeadsUpDisplayInc/mbed,geky/mbed,mnlipp/mbed,ban4jp/mbed,nvlsianpu/mbed,catiedev/mbed-os,Marcomissyou/mbed,mikaleppanen/mbed-os,fvincenzo/mbed-os,monkiineko/mbed-os,ryankurte/mbed-os,svogl/mbed-os,mmorenobarm/mbed-os,jrjang/mbed,nabilbendafi/mbed,dbestm/mbed,mikaleppanen/mbed-os,CalSol/mbed,ARM-software/mbed-beetle,devanlai/mbed,pi19404/mbed,bikeNomad/mbed,rgrover/mbed,rosterloh/mbed,pbrook/mbed,sam-geek/mbed,netzimme/mbed-os,nvlsianpu/mbed,K4zuki/mbed,fpiot/mbed-ats,cvtsi2sd/mbed-os,getopenmono/mbed,tung7970/mbed-os,jferreir/mbed,arostm/mbed-os,pedromes/mbed,j-greffe/mbed-os,bcostm/mbed-os,NXPmicro/mbed,rosterloh/mbed,jamesadevine/mbed,Timmmm/mbed,alertby/mbed,larks/mbed,kl-cruz/mbed-os,alertby/mbed,FranklyDev/mbed,pi19404/mbed,YarivCol/mbed-os,kjbracey-arm/mbed,xcrespo/mbed,RonEld/mbed,iriark01/mbed-drivers,dbestm/mbed,Timmmm/mbed,Shengliang/mbed,tung7970/mbed-os-1,pbrook/mbed,iriark01/mbed-drivers,bikeNomad/mbed,jrjang/mbed,pedromes/mbed,kpurusho/mbed,kl-cruz/mbed-os,pradeep-gr/mbed-os5-onsemi,K4zuki/mbed,getopenmono/mbed,wodji/mbed,YarivCol/mbed-os,getopenmono/mbed,RonEld/mbed,betzw/mbed-os