CI: Also check tracer in lint
CI: Also check tracer in lint

By linting ibex_core_tracing, we lint all submodules as well: ibex_core
and ibex_tracer.

AmbiML/ibex,lowRISC/ibex,lowRISC/ibex,lowRISC/ibex,AmbiML/ibex,AmbiML/ibex,lowRISC/ibex,AmbiML/ibex