smdk4412: advanced settings: add spen support back

Change-Id: Ia7243737261bf63e406cd550d417f80b0f9a92cf
smdk4412: advanced settings: fix jumping vibrator strength

Change-Id: I20626c27fdc2a7222b5f9f99da376d7cd5b19cdc
Merge branch 'cm-10.1' of git://github.com/CyanogenMod/android_device_samsung_smdk4412-common into cm-10.1