asoc: codecs: fix race condition of core vote and reg access

Auto suspend timer for core vote is triggering before read write complete.
Move the auto suspend of core vote to post read write operation.

Change-Id: Ib0f6b026fe0e7fd3fbe052691db492915e436a78
Signed-off-by: Vangala, Amarnath <avangala@codeaurora.org>