display-drivers: Makefile: Consider all necessary extra symbols

Change-Id: Ica8621327ac623b8d293a701d6f7c0f6f4f2f5e7

qcom/opensource/display-drivers/msm/Makefile

@@ -2,10 +2,16 @@
 
 DISPLAY_SELECT := CONFIG_DRM_MSM=m
 
+KBUILD_EXTRA_SYMBOLS := \
+    $(OUT_DIR)/../sm8650-modules/qcom/opensource/mm-drivers/hw_fence/Module.symvers \
+    $(OUT_DIR)/../sm8650-modules/qcom/opensource/mm-drivers/msm_ext_display/Module.symvers \
+    $(OUT_DIR)/../sm8650-modules/qcom/opensource/mm-drivers/sync_fence/Module.symvers \
+    $(OUT_DIR)/../sm8650-modules/qcom/opensource/mmrm-driver/Module.symvers \
+    $(OUT_DIR)/../sm8650-modules/qcom/opensource/securemsm-kernel/Module.symvers
+
 KBUILD_OPTIONS += DISPLAY_ROOT=$(KERNEL_SRC)/$(M)/../
 KBUILD_OPTIONS += BOARD_PLATFORM=pineapple
 KBUILD_OPTIONS += $(DISPLAY_SELECT)
-KBUILD_OPTIONS += KBUILD_EXTRA_SYMBOLS=$(OUT_DIR)/../sm8650-modules/qcom/opensource/mmrm-driver/Module.symvers
 
 all: modules
 
@@ -13,7 +19,7 @@ modules_install:
 	$(MAKE) INSTALL_MOD_STRIP=1 -C $(KERNEL_SRC) M=$(M) modules_install
 
 %:
-	$(MAKE) -C $(KERNEL_SRC) M=$(M) $@ $(KBUILD_OPTIONS)
+	$(MAKE) -C $(KERNEL_SRC) M=$(M) $@ $(KBUILD_OPTIONS) $(KBUILD_EXTRA_SYMBOLS)
 
 clean:
 	rm -f *.o *.ko *.mod.c *.mod.o *~ .*.cmd Module.symvers