ASoC: wcd9xxx: Report lineout immediately

If extension cable is inserted into the jack, it
is taking 5 sec to report the insertion. Reduce
this delay by reporting high headphone immediately.

Change-Id: I904f232ede585c39c6b600692ddb8750b848ebcd
Signed-off-by: Simmi Pateriya <simmip@codeaurora.org>