graphics-kernel: Makefile: Add kbuild extra symbols

Change-Id: I41b8dc3f92b048e83ca81a4d042e1a29e20aad7e

qcom/opensource/graphics-kernel/Makefile

@@ -9,6 +9,9 @@ KBUILD_OPTIONS += $(KGSL_SELECT)
 KBUILD_OPTIONS += MODNAME=msm_kgsl
 KBUILD_OPTIONS += KGSL_PATH=$(KGSL_MODULE_ROOT)
 
+KBUILD_EXTRA_SYMBOLS := \
+    $(OUT_DIR)/../sm8650-modules/qcom/opensource/mm-drivers/hw_fence/Module.symvers
+
 all: modules
 
 modules_install: