msm: 8930: Add GPIO configuration for  headset detection

Headset detection on 8930 uses GPIO to detect when a plug
gets inserted or removed. Add configuration to enable
GPIO based headset detection

Change-Id: I11e05ee712143ae638e65eef0ebd54b89de30fd2
Signed-off-by: Bhalchandra Gajare <gajare@codeaurora.org>
1 file changed