apply patches when requested to

package/coreutils/coreutils.mk

@@ -20,6 +20,7 @@ coreutils-source: $(DL_DIR)/$(COREUTILS_SOURCE)
 
 $(COREUTILS_DIR)/.unpacked: $(DL_DIR)/$(COREUTILS_SOURCE)
 	$(COREUTILS_CAT) $(DL_DIR)/$(COREUTILS_SOURCE) | tar -C $(BUILD_DIR) $(TAR_OPTIONS) -
+	toolchain/patch-kernel.sh $(COREUTILS_DIR) package/coreutils/ coreutils*.patch
 	touch $(COREUTILS_DIR)/.unpacked
 
 $(COREUTILS_DIR)/.configured: $(COREUTILS_DIR)/.unpacked