Move idc, keychars and keylayout from vanquish-common

Copy the files if the variables below are defined:

TARGET_USES_MOTOROLA_COMMON_IDC
TARGET_USES_MOTOROLA_COMMON_KEYCHARS
TARGET_USES_MOTOROLA_COMMON_KEYLAYOUT

Change-Id: I3ec90e35cd965301738b2fd4c0c8aa01926d4d1f
Move flag from vanquish-common

Change-Id: Ic8c85708c2771611488ba4fbd1476abd30bb8eac