Adding logic to undef IOP_MODEL before we include the env that may define it,...

Adding logic to undef IOP_MODEL before we include the env that may define it, that way the ENV can't be setting it

src/epics/util/Makefile.kernel

@@ -17,6 +17,12 @@ $(shell cp -rp $(RCG_SRC)/src/fe/ $(mkfile_dir)/src/)
 $(shell cp -rp $(RCG_SRC)/src/drv/ $(mkfile_dir)/src/)
 $(shell cp -rp $(RCG_SRC)/src/shmem/ $(mkfile_dir)/src/)
 
+# We always want to take these values from the below 
+# KernelVars.mk script and not the ENV
+undefine IOP_MODEL
+undefine BUILD_WITH_DOLPHIN
+
+
 # Include the generated make variables, written by
 # the feCodeGen.pl script.
 include $(mkfile_dir)/KernelVars.mk