sec-kernel: Enable LV securemsmdlkm

The clean command will clear the KERNEL_SRC path, then cause
securemsmdlkm compile fail.

Change-Id: I3b956f87b2d46d21399104796ac5f7d2a5521cbd
Signed-off-by: jianshu <[email protected]>

Makefile

@@ -6,7 +6,7 @@ KBUILD_OPTIONS+=SSG_MODULE_ROOT=$(SSG_MODULE_ROOT)
 all: modules
 
 clean:
-	$(MAKE) -C $(KERNEL_SRC) M=$(M) clean
+	rm -f *.cmd *.d *.mod *.o *.ko *.mod.c *.mod.o Module.symvers modules.order
 
 %:
 	$(MAKE) -C $(KERNEL_SRC) M=$(M) $(INC) $@ $(KBUILD_OPTIONS)