Makefile: fix the typo error for mrproper

Fix the typo error for mrproper from mkproper.

Signed-off-by: Bo Shen <voice.shen@atmel.com>
Acked-by: Simon Glass <sjg@chromium.org>

diff --git a/Makefile b/Makefile
index f03d116d7c4e2146874ebd916f7ab6c6ba5e6db6..de36187fb0c5e540ed5f144585fe8ec68431ee0f 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -163,7 +163,7 @@ endif
 include $(TOPDIR)/config.mk
 
 # Targets which don't build the source code
-NON_BUILD_TARGETS = backup clean clobber distclean mkproper tidy unconfig
+NON_BUILD_TARGETS = backup clean clobber distclean mrproper tidy unconfig
 
 # Only do the generic board check when actually building, not configuring
 ifeq ($(filter $(NON_BUILD_TARGETS),$(MAKECMDGOALS)),)