Added support for new RPC objects with multiple pins. Added baud function for serial RPC.
Added support for new RPC objects with multiple pins. Added baud function for serial RPC.

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