Integrate gf-emc-test-suite/pbb-testcase

--

Commit: seco-ne/tools/gf-emc-test-suite@e40b72b7

ltp emc-testsuite: tr8mp-pbb testfiles

Add testfiles for immunity and emission file and add comments how to disable the
serial debug port.
Add relay test as script.

BCS 746-001210