ASoC: wcd: correct hph_status during SSR

Since hph_status is not updated in ssr. It can
happen that the removal of the plug does not
cause the pause of the playback as the status
is not cleared.

CRs-Fixed: 798994
Change-Id: Ib7619e8fa2ddcdb9a2016175f276e7718690a8f5
Signed-off-by: Simmi Pateriya <simmip@codeaurora.org>