configs: add mixer controls and be updation in platform_info

For custom_upsampler, add mixer controls and backend updation in
platform info in atoll, kona and steppe.

Change-Id: I0c61024c444e9950568797779545f43e7ec3ba1b
Signed-off-by: Prasad Kumpatla <nkumpat@codeaurora.org>
17 files changed