Revert "Stk is already inherited from vendor/cm/config/gsm.mk"

This reverts commit 3361e8d03650993aacbf0c252a1ffc012c70914a.
CDMA/LTE devices are GSM world phones and require Stk
Merge pull request #9 from razrqcom-dev-team/cm-10.1

Revert "Stk is already inherited from vendor/cm/config/gsm.mk"