drm/msm/sde: add vbif qos remapper for display

QoS remapper is used to translate DPU priority to chip-level
priority. Add vbif qos remapper function to provide proper
translation to chip-level QoS request.

CRs-Fixed: 2037879
Change-Id: Ia34664d0a15dcb9056991d5a88b37a2fbc3bc285
Signed-off-by: Alan Kwong <akwong@codeaurora.org>