msm: Asoc: audio: Migrate to ION from pmem, dma alloc

-Voice driver and RT proxy driver are using Pmem and
DMA alloc. Migrate them to use ION memory to save memory
and avoid stability issues.

CRs-Fixed: 369303
Change-Id: If58b69b9f8b7b03661a36451c1a5c27885fbf976
Signed-off-by: Laxminath Kasam <lkasam@codeaurora.org>
Signed-off-by: Vidyakumar Athota <vathota@codeaurora.org>
ASoc-msm: Modify ASM drivers to invoke ION APIs

Create ION client and allocate buffers based on
the client handle and free the buffers when no
more needed.

CRs-fixed: 349170
Signed-off-by: Swaminathan Sathappan <Swami@codeaurora.org>
(cherry picked from commit bdc5508dbc5e9bd624eb34e5e254b510baf4294f)

Change-Id: I7c748946e98567995f10f7aea0bc6e0b0454a802
Signed-off-by: Srivalli Oguri <oguri@codeaurora.org>
Signed-off-by: Vidyakumar Athota <vathota@codeaurora.org>
Enable ION audio in defconfig

Change-Id: I5760e414018e3299d63f63a1f549e215c205590d