binman: Fix up the _DoTestFile() function -u argument
This should be -u, not -up, since we don't need to preserve the output
directory in this case.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/tools/binman/ftest.py b/tools/binman/ftest.py
index 9cec5f4..b178085 100644
--- a/tools/binman/ftest.py
+++ b/tools/binman/ftest.py
@@ -208,7 +208,7 @@
if map:
args.append('-m')
if update_dtb:
- args.append('-up')
+ args.append('-u')
if not use_real_dtb:
args.append('--fake-dtb')
if verbosity is not None: