Grove Wiring Test Bed DTS Binding

This integration test verifies the DTS binding of the Grove wiring for tests against all possible boards that are supported by this shield (checks only ≈2.46% of all platforms in about ≈0.15h):

$ west twister \
       --jobs 4 \
       --verbose \
       --inline-logs \
       --integration \
       --quarantine-list bridle/tests/quarantine.yaml \
       --testsuite-root bridle/tests/shields/x_grove_testbed/dts_bindings