Cellular: Baud rate setting for UDPSOCKET_ECHOTES_BURST greentea test
Cellular: Baud rate setting for UDPSOCKET_ECHOTES_BURST greentea test

andcor02/mbed-os,andcor02/mbed-os,kjbracey-arm/mbed,mbedmicro/mbed,andcor02/mbed-os,kjbracey-arm/mbed,kjbracey-arm/mbed,mbedmicro/mbed,kjbracey-arm/mbed,andcor02/mbed-os,mbedmicro/mbed,andcor02/mbed-os,mbedmicro/mbed,andcor02/mbed-os,mbedmicro/mbed