distclean: clean a bit more

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

Makefile

@@ -843,7 +843,8 @@ endif
 ifeq ($(O),output)
 	rm -rf $(O)
 endif
-	rm -rf $(BR2_CONFIG) $(CONFIG_DIR)/.config.old $(CONFIG_DIR)/.auto.deps
+	rm -rf $(BR2_CONFIG) $(CONFIG_DIR)/.config.old $(CONFIG_DIR)/..config.tmp \
+		$(CONFIG_DIR)/.auto.deps
 
 help:
 	@echo 'Cleaning:'