ASoC: wcd9335: Set correct the mixing path sample rate

Codec mixing path sample rate is not set correctly leading
to overflow errors during audio playback. Set correct sample
rate for a given interpolator.

Change-Id: I94d34c20f450dfc311f08655dc60cd8cdf2e6b28
Signed-off-by: Phani Kumar Uppalapati <phaniu@codeaurora.org>