smdk4412-qcom: fix gsm drivercall and add gps properties

Change-Id: I6e59a7b56ac6e4a957e9e2b50362fb8b47a3d117
Merge branch 'cm-12.0' of https://github.com/CyanogenMod/android_device_samsung_smdk4412-qcom-common into cm-12.0