interconnect: qcom: Do not set any QoS for the NSP

The QoS settings for the NSP should not be configured from the HLOS side.
We’ll leave that to the CDSP image, which has the code to do this.

Change-Id: I6d7f319b69ca75e89bd02b40e185556aa68ab937
Signed-off-by: Georgi Djakov <gdjako@codeaurora.org>