msm: audio: qdsp6v2: ION upgradation

Migrate ION changes in LPA driver and decoder utilities
to use new ION API's

Change-Id: Iacc55ef50ef8523db608097b2b9e623605e95c6a
Signed-off-by: Deepa Madiregama <dmadireg@codeaurora.org>
4 files changed