Add supportted Mbed platform
Add supportted Mbed platform

adamgreen/pyOCD,geky/pyDAPLink,wjzhang/pyOCD,0xc0170/pyOCD,wjzhang/pyOCD,mesheven/pyOCD,NordicSemiconductor/pyOCD,bridadan/pyOCD,mbedmicro/pyOCD,wjzhang/pyOCD,devanlai/pyOCD,adamgreen/pyOCD,matthewelse/pyOCD,tgarc/pyOCD,geky/pyOCD,oliviermartin/pyOCD,adamgreen/pyOCD,geky/pyOCDgdb,pyocd/pyOCD,mesheven/pyOCD,bridadan/pyOCD,flit/pyOCD,molejar/pyOCD,mesheven/pyOCD,matthewelse/pyOCD,0xc0170/pyOCD,matthewelse/pyOCD,oliviermartin/pyOCD,molejar/pyOCD,c1728p9/pyOCD,devanlai/pyOCD,flit/pyOCD,0xc0170/pyOCD,molejar/pyOCD,mbedmicro/pyOCD,c1728p9/pyOCD,oliviermartin/pyOCD,pyocd/pyOCD,devanlai/pyOCD,geky/pyOCD,tgarc/pyOCD,mbedmicro/pyOCD,bridadan/pyOCD,c1728p9/pyOCD,tgarc/pyOCD