Enable LLVM_RS_LINK. No longer forking an LLVM linker inside llvm-rs-cc.

Change-Id: I2ebc6ec759daf36d1e77fa8e30147ab8e40b44fc
diff --git a/core/definitions.mk b/core/definitions.mk
index 05e7c56..28ac0bc 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -774,6 +774,8 @@
   -a $@ -MD \
   $(foreach inc,$(PRIVATE_RS_INCLUDES),$(addprefix -I , $(inc))) \
   $(PRIVATE_RS_SOURCE_FILES)
+$(hide) $(LLVM_RS_LINK) \
+  $(PRIVATE_RS_OUTPUR_DIR)/res/raw/*.bc
 $(hide) mkdir -p $(dir $@)
 $(hide) touch $@
 endef