ASoc: msm: qdsp6v2: Native drivers to use different pool id.

Some physical pools ids may become unsupported in future targets.
Remove target specific information from API to make it robust against
such architectural changes.

Also different platforms such as MDM, MSM might support some physical
pools but not the other, so choosing a generic name which will could be
mapped internally to different memory pools

Change-Id: I4f003662d9a2a28c17eefa5230530b8608b26c09
Signed-off-by: Harmandeep Singh <hsingh@codeaurora.org>