binman: Add an entry for a Chromium vblock
This adds support for a Chromium verified boot block, used to sign a
read-write section of the image.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/tools/binman/entry.py b/tools/binman/entry.py
index 8b910fe..996f03e 100644
--- a/tools/binman/entry.py
+++ b/tools/binman/entry.py
@@ -65,7 +65,7 @@
self.name = node and (name_prefix + node.name) or 'none'
self.offset = None
self.size = None
- self.data = ''
+ self.data = None
self.contents_size = 0
self.align = None
self.align_size = None