dt-bindings: interconnect: Add property to set BCM TCS wait behavior

Add "qcom,tcs-wait" property to set which TCS should wait for completion
when triggering.

Signed-off-by: Mike Tipton <mdtipton@codeaurora.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20200903192149.30385-4-mdtipton@codeaurora.org


Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>