error pops up for changes in cm12 sepolicy

libsepol.context_from_record: type powervr_device is not defined
libsepol.context_from_record: could not create context structure
libsepol.context_from_string: could not create context structure
libsepol.sepol_context_to_sid: could not convert u:object_r:powervr_device:s0 to sid
/home/kar/cm12/out/target/product/i9082/obj/ETC/file_contexts_intermediates/file_contexts:  line 254 has invalid context u:object_r:powervr_device:s0
libsepol.context_from_record: type powervr_device is not defined
libsepol.context_from_record: could not create context structure
libsepol.context_from_string: could not create context structure
libsepol.sepol_context_to_sid: could not convert u:object_r:powervr_device:s0 to sid
/home/kar/cm12/out/target/product/i9082/obj/ETC/file_contexts_intermediates/file_contexts:  line 255 has invalid context u:object_r:powervr_device:s0
Invalid context file found in /home/kar/cm12/out/target/product/i9082/obj/ETC/file_contexts_intermediates/file_contexts
external/sepolicy/Android.mk:195: recipe for target '/home/kar/cm12/out/target/product/i9082/obj/ETC/file_contexts_intermediates/file_contexts' failed
make: *** [/home/kar/cm12/out/target/product/i9082/obj/ETC/file_contexts_intermediates/file_contexts] Error 5
make: *** Deleting file '/home/kar/cm12/out/target/product/i9082/obj/ETC/file_contexts_intermediates/file_contexts'
make: *** Waiting for unfinished jobs....