kbuild: update help in top level Makefile
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
diff --git a/Makefile b/Makefile
index fc67adc..0d4a4dc 100644
--- a/Makefile
+++ b/Makefile
@@ -1060,6 +1060,7 @@
@echo 'Cleaning targets:'
@echo ' clean - remove most generated files but keep the config'
@echo ' mrproper - remove all generated files + config + various backup files'
+ @echo ' distclean - mrproper + patch files'
@echo ''
@echo 'Configuration targets:'
@$(MAKE) -f $(srctree)/scripts/kconfig/Makefile help