For upstream and tvm, qup common driver uses gcc phandles which
are common in dt and to avoid qup driver probe failure, add gcc
qcom-dummycc support as they are nop. This helps in avoiding
additional logic in qup driver to not conditionalize based on
variant.
Change-Id: I770a2a3c0e31138891b3e298ccff8e2934ae91a1
Signed-off-by: Anaadi Mishra <quic_anaadim@quicinc.com>