ASoC: wcd9335: Realign the ANC coefficients index

ANC coefficent indices can change during reading
of all wcd9335 registers. These ANC coefficients indices
should be re-aligned for proper ANC functionality.
Change re-aligns ANC coefficient indices to correct
pointer before enabling ANC functionality.

Change-Id: I42cd1cdb78c89ff860918ea917cfd0da146c07c6
Signed-off-by: Sudheer Papothi <spapothi@codeaurora.org>