msm8960-common: add keydisabler hw file

Change-Id: I95d66ba27159625fe9d6222a82361ba7808556c3
Merge "msm8960-common: add keydisabler hw file" into cm-11.0
Merge branch 'cm-11.0' of github.com:CyanogenMod/android_device_samsung_msm8960-common into cm-11.0
Merge branch 'cm-11.0' of github.com:kbc-developers/android_device_samsung_msm8960-common into cm-11.0