ASoC: wcd934x-dsp-cntl: fix the reset sequence

Currently, whenever the codec DSP is reset, the CPAR hardware block
is not reset. This causes failure to boot DSP in good state. Update
CPAR reset sequence to ensure CPAR is put to reset when not in use.

CRs-fixed: 1091032
Change-Id: I77fea396fda6ee0eaaf0c68b11cf90f268ac1481
Signed-off-by: Bhalchandra Gajare <gajare@codeaurora.org>