Update USBDevice.cpp
Update USBDevice.cpp

Added Teensy3.1 support
struempelix/mbed,alertby/mbed,ban4jp/mbed,Tiryoh/mbed,brstew/MBED-BUILD,Marcomissyou/mbed,maximmbed/mbed,c1728p9/mbed-os,getopenmono/mbed,RonEld/mbed,jpbrucker/mbed,adustm/mbed,betzw/mbed-os,tung7970/mbed-os-1,jpbrucker/mbed,ban4jp/mbed,theotherjimmy/mbed,HeadsUpDisplayInc/mbed,Marcomissyou/mbed,Tiryoh/mbed,kpurusho/mbed,maximmbed/mbed,andcor02/mbed-os,andreaslarssonublox/mbed,radhika-raghavendran/mbed-os5.1-onsemi,jpbrucker/mbed,bentwire/mbed,karsev/mbed-os,adamgreen/mbed,svastm/mbed,bcostm/mbed-os,betzw/mbed-os,svogl/mbed-os,autopulated/mbed,jeremybrodt/mbed,nabilbendafi/mbed,kpurusho/mbed,HeadsUpDisplayInc/mbed,svogl/mbed-os,monkiineko/mbed-os,fanghuaqi/mbed,adustm/mbed,Sweet-Peas/mbed,c1728p9/mbed-os,wodji/mbed,wodji/mbed,infinnovation/mbed-os,theotherjimmy/mbed,struempelix/mbed,bentwire/mbed,masaohamanaka/mbed,fanghuaqi/mbed,getopenmono/mbed,mmorenobarm/mbed-os,logost/mbed,nRFMesh/mbed-os,pradeep-gr/mbed-os5-onsemi,Tiryoh/mbed,fvincenzo/mbed-os,larks/mbed,bentwire/mbed,ryankurte/mbed-os,brstew/MBED-BUILD,NXPmicro/mbed,YarivCol/mbed-os,mikaleppanen/mbed-os,NitinBhaskar/mbed,kl-cruz/mbed-os,adustm/mbed,NXPmicro/mbed,fpiot/mbed-ats,kl-cruz/mbed-os,maximmbed/mbed,rosterloh/mbed,mazimkhan/mbed-os,jamesadevine/mbed,tung7970/mbed-os-1,jeremybrodt/mbed,bulislaw/mbed-os,geky/mbed,xcrespo/mbed,nvlsianpu/mbed,bulislaw/mbed-os,jrjang/mbed,jrjang/mbed,NXPmicro/mbed,masaohamanaka/mbed,pradeep-gr/mbed-os5-onsemi,NXPmicro/mbed,nRFMesh/mbed-os,naves-thiago/mbed-midi,j-greffe/mbed-os,GustavWi/mbed,screamerbg/mbed,pi19404/mbed,nvlsianpu/mbed,mikaleppanen/mbed-os,cvtsi2sd/mbed-os,kpurusho/mbed,nvlsianpu/mbed,fahhem/mbed-os,Marcomissyou/mbed,catiedev/mbed-os,c1728p9/mbed-os,mmorenobarm/mbed-os,netzimme/mbed-os,mnlipp/mbed,fvincenzo/mbed-os,ban4jp/mbed,nvlsianpu/mbed,wodji/mbed,larks/mbed,bikeNomad/mbed,GustavWi/mbed,catiedev/mbed-os,pbrook/mbed,larks/mbed,svogl/mbed-os,al177/mbed,fanghuaqi/mbed,mbedmicro/mbed,jrjang/mbed,mnlipp/mbed,YarivCol/mbed-os,Tiryoh/mbed,andcor02/mbed-os,infinnovation/mbed-os,hwfwgrp/mbed,CalSol/mbed,mikaleppanen/mbed-os,catiedev/mbed-os,EmuxEvans/mbed,larks/mbed,DanKupiniak/mbed,ARM-software/mbed-beetle,EmuxEvans/mbed,screamerbg/mbed,naves-thiago/mbed-midi,NitinBhaskar/mbed,jpbrucker/mbed,fahhem/mbed-os,masaohamanaka/mbed,Sweet-Peas/mbed,theotherjimmy/mbed,bikeNomad/mbed,tung7970/mbed-os,mnlipp/mbed,ryankurte/mbed-os,rgrover/mbed,RonEld/mbed,fvincenzo/mbed-os,mmorenobarm/mbed-os,logost/mbed,adamgreen/mbed,al177/mbed,svogl/mbed-os,Timmmm/mbed,arostm/mbed-os,devanlai/mbed,radhika-raghavendran/mbed-os5.1-onsemi,Sweet-Peas/mbed,nvlsianpu/mbed,rosterloh/mbed,dbestm/mbed,rgrover/mbed,jamesadevine/mbed,screamerbg/mbed,ARM-software/mbed-beetle,JasonHow44/mbed,RonEld/mbed,wodji/mbed,bulislaw/mbed-os,nvlsianpu/mbed,screamerbg/mbed,autopulated/mbed,catiedev/mbed-os,YarivCol/mbed-os,Timmmm/mbed,tung7970/mbed-os,jamesadevine/mbed,mnlipp/mbed,c1728p9/mbed-os,arostm/mbed-os,al177/mbed,pbrook/mbed,radhika-raghavendran/mbed-os5.1-onsemi,andcor02/mbed-os,wodji/mbed,Shengliang/mbed,alertby/mbed,CalSol/mbed,mbedmicro/mbed,pedromes/mbed,kjbracey-arm/mbed,dbestm/mbed,Sweet-Peas/mbed,JasonHow44/mbed,betzw/mbed-os,EmuxEvans/mbed,cvtsi2sd/mbed-os,catiedev/mbed-os,autopulated/mbed,YarivCol/mbed-os,struempelix/mbed,karsev/mbed-os,dbestm/mbed,fpiot/mbed-ats,bcostm/mbed-os,K4zuki/mbed,devanlai/mbed,wodji/mbed,logost/mbed,fanghuaqi/mbed,tung7970/mbed-os,jeremybrodt/mbed,andreaslarssonublox/mbed,Archcady/mbed-os,pi19404/mbed,ARM-software/mbed-beetle,monkiineko/mbed-os,monkiineko/mbed-os,ryankurte/mbed-os,ryankurte/mbed-os,autopulated/mbed,xcrespo/mbed,K4zuki/mbed,mnlipp/mbed,mazimkhan/mbed-os,bentwire/mbed,pi19404/mbed,bcostm/mbed-os,EmuxEvans/mbed,rosterloh/mbed,Archcady/mbed-os,mazimkhan/mbed-os,netzimme/mbed-os,infinnovation/mbed-os,xcrespo/mbed,xcrespo/mbed,YarivCol/mbed-os,geky/mbed,fvincenzo/mbed-os,NitinBhaskar/mbed,xcrespo/mbed,al177/mbed,fvincenzo/mbed-os,mazimkhan/mbed-os,bulislaw/mbed-os,tung7970/mbed-os-1,j-greffe/mbed-os,getopenmono/mbed,logost/mbed,RonEld/mbed,kpurusho/mbed,brstew/MBED-BUILD,mikaleppanen/mbed-os,karsev/mbed-os,Marcomissyou/mbed,jferreir/mbed,NXPmicro/mbed,brstew/MBED-BUILD,brstew/MBED-BUILD,devanlai/mbed,radhika-raghavendran/mbed-os5.1-onsemi,larks/mbed,hwfwgrp/mbed,adamgreen/mbed,kl-cruz/mbed-os,fahhem/mbed-os,j-greffe/mbed-os,HeadsUpDisplayInc/mbed,getopenmono/mbed,Archcady/mbed-os,alertby/mbed,mmorenobarm/mbed-os,alertby/mbed,hwfwgrp/mbed,theotherjimmy/mbed,karsev/mbed-os,autopulated/mbed,K4zuki/mbed,kl-cruz/mbed-os,cvtsi2sd/mbed-os,Tiryoh/mbed,tung7970/mbed-os,geky/mbed,andcor02/mbed-os,larks/mbed,GustavWi/mbed,nabilbendafi/mbed,CalSol/mbed,RonEld/mbed,fpiot/mbed-ats,GustavWi/mbed,nRFMesh/mbed-os,devanlai/mbed,NitinBhaskar/mbed,fahhem/mbed-os,ARM-software/mbed-beetle,K4zuki/mbed,theotherjimmy/mbed,mikaleppanen/mbed-os,devanlai/mbed,dbestm/mbed,pedromes/mbed,alertby/mbed,dbestm/mbed,andreaslarssonublox/mbed,EmuxEvans/mbed,Archcady/mbed-os,fanghuaqi/mbed,rosterloh/mbed,logost/mbed,hwfwgrp/mbed,fpiot/mbed-ats,svogl/mbed-os,rgrover/mbed,radhika-raghavendran/mbed-os5.1-onsemi,getopenmono/mbed,Sweet-Peas/mbed,hwfwgrp/mbed,svastm/mbed,K4zuki/mbed,tung7970/mbed-os-1,mbedmicro/mbed,svastm/mbed,al177/mbed,pedromes/mbed,masaohamanaka/mbed,Shengliang/mbed,maximmbed/mbed,rosterloh/mbed,masaohamanaka/mbed,nabilbendafi/mbed,JasonHow44/mbed,Shengliang/mbed,bentwire/mbed,betzw/mbed-os,bikeNomad/mbed,jamesadevine/mbed,jpbrucker/mbed,c1728p9/mbed-os,svastm/mbed,j-greffe/mbed-os,pbrook/mbed,catiedev/mbed-os,pi19404/mbed,DanKupiniak/mbed,karsev/mbed-os,jrjang/mbed,kl-cruz/mbed-os,naves-thiago/mbed-midi,Shengliang/mbed,maximmbed/mbed,HeadsUpDisplayInc/mbed,geky/mbed,bcostm/mbed-os,Archcady/mbed-os,masaohamanaka/mbed,nRFMesh/mbed-os,screamerbg/mbed,arostm/mbed-os,JasonHow44/mbed,rgrover/mbed,autopulated/mbed,jferreir/mbed,monkiineko/mbed-os,pbrook/mbed,andcor02/mbed-os,bulislaw/mbed-os,adustm/mbed,nabilbendafi/mbed,j-greffe/mbed-os,nabilbendafi/mbed,jrjang/mbed,c1728p9/mbed-os,Timmmm/mbed,adustm/mbed,netzimme/mbed-os,logost/mbed,mbedmicro/mbed,kjbracey-arm/mbed,nRFMesh/mbed-os,HeadsUpDisplayInc/mbed,JasonHow44/mbed,GustavWi/mbed,infinnovation/mbed-os,kpurusho/mbed,Marcomissyou/mbed,nabilbendafi/mbed,pbrook/mbed,JasonHow44/mbed,mmorenobarm/mbed-os,mazimkhan/mbed-os,NitinBhaskar/mbed,CalSol/mbed,struempelix/mbed,karsev/mbed-os,arostm/mbed-os,kl-cruz/mbed-os,maximmbed/mbed,xcrespo/mbed,DanKupiniak/mbed,mnlipp/mbed,adamgreen/mbed,kpurusho/mbed,ban4jp/mbed,pi19404/mbed,andreaslarssonublox/mbed,ban4jp/mbed,betzw/mbed-os,mbedmicro/mbed,kjbracey-arm/mbed,monkiineko/mbed-os,Shengliang/mbed,al177/mbed,hwfwgrp/mbed,Timmmm/mbed,bikeNomad/mbed,netzimme/mbed-os,jferreir/mbed,DanKupiniak/mbed,mmorenobarm/mbed-os,andcor02/mbed-os,Marcomissyou/mbed,netzimme/mbed-os,bulislaw/mbed-os,getopenmono/mbed,jeremybrodt/mbed,EmuxEvans/mbed,bentwire/mbed,arostm/mbed-os,naves-thiago/mbed-midi,pradeep-gr/mbed-os5-onsemi,Timmmm/mbed,ryankurte/mbed-os,pradeep-gr/mbed-os5-onsemi,jamesadevine/mbed,j-greffe/mbed-os,monkiineko/mbed-os,infinnovation/mbed-os,rosterloh/mbed,jferreir/mbed,svogl/mbed-os,pedromes/mbed,adustm/mbed,andreaslarssonublox/mbed,pradeep-gr/mbed-os5-onsemi,pedromes/mbed,Shengliang/mbed,alertby/mbed,devanlai/mbed,jferreir/mbed,RonEld/mbed,cvtsi2sd/mbed-os,geky/mbed,jpbrucker/mbed,struempelix/mbed,betzw/mbed-os,mazimkhan/mbed-os,naves-thiago/mbed-midi,bikeNomad/mbed,YarivCol/mbed-os,adamgreen/mbed,fpiot/mbed-ats,jeremybrodt/mbed,svastm/mbed,adamgreen/mbed,pedromes/mbed,pradeep-gr/mbed-os5-onsemi,mikaleppanen/mbed-os,jferreir/mbed,fahhem/mbed-os,NXPmicro/mbed,screamerbg/mbed,nRFMesh/mbed-os,Timmmm/mbed,tung7970/mbed-os,theotherjimmy/mbed,fahhem/mbed-os,ban4jp/mbed,radhika-raghavendran/mbed-os5.1-onsemi,K4zuki/mbed,Sweet-Peas/mbed,netzimme/mbed-os,Tiryoh/mbed,CalSol/mbed,HeadsUpDisplayInc/mbed,pi19404/mbed,Archcady/mbed-os,jrjang/mbed,bcostm/mbed-os,kjbracey-arm/mbed,ryankurte/mbed-os,CalSol/mbed,cvtsi2sd/mbed-os,jamesadevine/mbed,fpiot/mbed-ats,cvtsi2sd/mbed-os,rgrover/mbed,naves-thiago/mbed-midi,pbrook/mbed,infinnovation/mbed-os,brstew/MBED-BUILD,arostm/mbed-os,struempelix/mbed,dbestm/mbed,bcostm/mbed-os,tung7970/mbed-os-1