binman: Reduce state.SetInt and bintool cmd to debug level

These are not very important message. Change them to use the 'debug' level
instead of 'detail'.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/tools/binman/state.py b/tools/binman/state.py
index 3e78cf3..45bae40 100644
--- a/tools/binman/state.py
+++ b/tools/binman/state.py
@@ -385,8 +385,8 @@
         for_repack: True is this property is only needed for repacking
     """
     for n in GetUpdateNodes(node, for_repack):
-        tout.detail("File %s: Update node '%s' prop '%s' to %#x" %
-                    (n.GetFdt().name, n.path, prop, value))
+        tout.debug("File %s: Update node '%s' prop '%s' to %#x" %
+                   (n.GetFdt().name, n.path, prop, value))
         n.SetInt(prop, value)
 
 def CheckAddHashProp(node):