Added has_dsa_device() on lab_capability_scanner.py to validate that the lab contains the
required DSA hardware before running tests.
Updated pytest.ini to include new DSA-related markers.
Added tests for DSA plugin available in Intel Device Plugins
Change-Id: I224f66297314e96aef6bb38ae1fd0530499ac7ca
Signed-off-by: Arthur Henrique Santana <arthur.santanapedra@windriver.com>