configs: ravelin: update vi-feedback and speaker mixer path

update vi-feedback mixer path, change WSA_AIF_VI Mixer value
from WSA_SPKR_VI_2 to WSA_SPKR_VI_1. due the spkr is left channel,
update speaker mixer. change the prefix from spkrleft to spkrright
due to dts changes.

Change-Id: I44633b1b28cfc6b7a5370b53e53382fb4d6df6af