BLE: Set default mac address to 00:00:00:00:00:00
BLE: Set default mac address to 00:00:00:00:00:00

Both mac addresses are invalid but the bluetooth specification prefers to use all 0 addresses to represent an invalid address.

mbedmicro/mbed,andcor02/mbed-os,c1728p9/mbed-os,mbedmicro/mbed,betzw/mbed-os,c1728p9/mbed-os,betzw/mbed-os,andcor02/mbed-os,kjbracey-arm/mbed,kjbracey-arm/mbed,c1728p9/mbed-os,andcor02/mbed-os,c1728p9/mbed-os,andcor02/mbed-os,c1728p9/mbed-os,mbedmicro/mbed,mbedmicro/mbed,betzw/mbed-os,andcor02/mbed-os,mbedmicro/mbed,betzw/mbed-os,andcor02/mbed-os,kjbracey-arm/mbed,betzw/mbed-os,betzw/mbed-os,kjbracey-arm/mbed,c1728p9/mbed-os