Cellular: WISE-1570 needs greater receiving timeout to pass UDPSOCKET_ECHOTEST_NONBLOCK test
Cellular: WISE-1570 needs greater receiving timeout to pass UDPSOCKET_ECHOTEST_NONBLOCK test

Reason for needing greater timeout could be this test's performance.
UDPSOCKET_ECHOTEST_BURST_NONBLOCK is implementing the receiving
differently and is passing with 1 second timeout.

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