tools/liblockdep: Remove all build files when doing make clean

We forgot to remove the shared library with the version number when
'make clean' ran, fix the clean pattern.
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>

tools/lib/lockdep/Makefile

@@ -230,7 +230,7 @@ install_lib: all_cmd
 install: install_lib
 
 clean:
-	$(RM) *.o *~ $(TARGETS) *.a *.so $(VERSION_FILES) .*.d
+	$(RM) *.o *~ $(TARGETS) *.a *liblockdep*.so* $(VERSION_FILES) .*.d
 	$(RM) tags TAGS
 
 endif # skip-makefile