ASoC: msm: 8960: set headset plug-type to US by default

New shockwave 2 CDP addressed the undesirable connection which has
US/Europe plug type switch reversed. Machine driver needs to pull
8902 PMIC GPIO 35 low instead of high to default plug-type to US.

Change-Id: I4854c4f9e56b1d1ff255556c535b91193449672e
Signed-off-by: Patrick Lai <plai@codeaurora.org>