twister: tests: Add some generic driver tests to the scope

The added tests should be generic enough to run on all reference
platforms.

Signed-off-by: Maciej Perkowski <Maciej.Perkowski@nordicsemi.no>

tests/test_config.yaml

@@ -10,6 +10,9 @@ levels:
       - kernel.timer.behavior
       - arch.interrupt
       - boards.*
+      - drivers.gpio.1pin
+      - drivers.console.uart
+      - drivers.entropy
   - name: acceptance
     description: >
       More coverage