galaxys2: fix getting preferred network type

NETWORK_MODE_GLOBAL => NETWORK_MODE_WCDMA_PREF

Change-Id: Icb2d1ee40c75b7c30188e6e0036a2084cda3e071
galaxys2: libril: uus is absent

Change-Id: Id52cec452588bc629b6ccbda51932678f2f8aeab
Merge branch 'cm-10.1' of git://github.com/CyanogenMod/android_device_samsung_galaxys2-common into phablet-10.1