Add support Wisblock RAK4631

[sabas1080]

• Add support WisBlockRAK4631

[github-actions]

Memory usage change @ f182b6f

Board	flash	%	RAM for global variables	%
electroniccats:mbed:bast_frontier	0 - 0	0.0 - 0.0	0 - 0	0.0 - 0.0
electroniccats:mbed:bastble	0 - 0	0.0 - 0.0	0 - 0	0.0 - 0.0
electroniccats:mbed:rak_wistrio5010	0 - 0	0.0 - 0.0	0 - 0	0.0 - 0.0

Click for full report table

Board	libraries/PDM/examples/PDMSerialPlotter flash	%	libraries/PDM/examples/PDMSerialPlotter RAM for global variables	%	libraries/ThreadDebug/examples/ThreadDebug flash	%	libraries/ThreadDebug/examples/ThreadDebug RAM for global variables	%
electroniccats:mbed:bast_frontier	0	0.0	0	0.0	0	0.0	0	0.0
electroniccats:mbed:bastble	0	0.0	0	0.0	0	0.0	0	0.0
electroniccats:mbed:rak_wistrio5010					0	0.0	0	0.0

Click for full report CSV

Board,libraries/PDM/examples/PDMSerialPlotter<br>flash,%,libraries/PDM/examples/PDMSerialPlotter<br>RAM for global variables,%,libraries/ThreadDebug/examples/ThreadDebug<br>flash,%,libraries/ThreadDebug/examples/ThreadDebug<br>RAM for global variables,%
electroniccats:mbed:bast_frontier,0,0.0,0,0.0,0,0.0,0,0.0
electroniccats:mbed:bastble,0,0.0,0,0.0,0,0.0,0,0.0
electroniccats:mbed:rak_wistrio5010,,,,,0,0.0,0,0.0