i9300: gps: use psc

Change-Id: I219694b61320009a200ea60bceb17bb5ce7aecc3
i9300: audio: play silence on boot

workaround for dead incall audio if no sound got played after boot

Change-Id: I1ee26e438cf980afdb618539aa0377453b730abe
Merge branch 'cm-10.1' of github.com:CyanogenMod/android_device_samsung_i9300 into cm-10.1