asoc: codecs: Fix device switch pop issue

With AANC enabled, and when the device switches
from speaker path to handset path there is a audible
pop. Add more delay to the aanc enable work function
to resolve the pop issue.

CRs-Fixed: 2137607
Change-Id: Icaf381179b0a81440b21ab4280cb6fc95e6fe6ba
Signed-off-by: Karthikeyan Mani <kmani@codeaurora.org>