[PCS440EP]  - Show on the DIAG LEDs, if the SHA1 check failed
            - now the Flash ST M29W040B is supported (not tested)
            - fix the "led" command
            - fix compile error, if BUILD_DIR is used

Signed-off-by: Heiko Schocher <hs@denx.de>
diff --git a/Makefile b/Makefile
index 47e4e67..c45700e 100644
--- a/Makefile
+++ b/Makefile
@@ -268,7 +268,7 @@
 		-d $< $@
 
 $(obj)u-boot.sha1:	$(obj)u-boot.bin
-		./tools/ubsha1 $(obj)u-boot.bin
+		$(obj)./tools/ubsha1 $(obj)u-boot.bin
 
 $(obj)u-boot.dis:	$(obj)u-boot
 		$(OBJDUMP) -d $< > $@