The random threading unit test was failing on dss11-1gb oe-core
plarform with std random:

````
-------------------------------------------------------------------------------
dsRandomRandint each thread is randomly seeded
-------------------------------------------------------------------------------
../src/ds/random-test.cpp:54
...............................................................................

../src/ds/random-test.cpp:54: FAILED:
due to a fatal error condition:
  SIGINT - Terminal interrupt signal

````

Test passes on dss11-1gb oe-core plarform with boost random.

The used boost::random methods are header only,
no need to link boost::random