ASoC: wcd9335: add support for ADSP sub-system restart

Enable support for ADSP sub-system restart feature on
WCD9335 codec.

Change-Id: I113ba4d7c07562c8327df05603e7370b3247f3fb
Signed-off-by: Fred Oh <fred@codeaurora.org>
Signed-off-by: Banajit Goswami <bgoswami@codeaurora.org>