ASoC: msm8960: add headphone over current protection type

In order for soc jack framework to propagate headphone
over current protection event to user-space, headset jack
must be defined to be SND_JACK_OC_HPHL and SND_JACK_HPHR
types.

Change-Id: Iccd3819c1eed9b5760d9b4134b0bbbf530f2bbb2
Signed-off-by: Patrick Lai <plai@codeaurora.org>