binman: Show the image position in the map

At present the map only shows the offset and size for each region. The
image position provides the actual position of each entry in the image,
regardless of the section hierarchy.

Add the image position to the map.

Signed-off-by: Simon Glass <sjg@chromium.org>

tools/binman/image.py

@@ -124,5 +124,6 @@ class Image:
         filename = '%s.map' % self._name
         fname = tools.GetOutputFilename(filename)
         with open(fname, 'w') as fd:
-            print('%8s  %8s  %s' % ('Offset', 'Size', 'Name'), file=fd)
+            print('%8s  %8s  %8s  %s' % ('ImagePos', 'Offset', 'Size', 'Name'),
+                  file=fd)
             self._section.WriteMap(fd, 0)