binman: doc: fix reference tag placement for Logging section

Move BinmanLogging reference tag after section "Signing FIT container
with private key in an image" and just before section "Logging".

Fixes: 0f40e23fd22 ("binman: add documentation for binman sign option")
Signed-off-by: Massimo Pegorer <massimo.pegorer+oss@gmail.com>
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
diff --git a/tools/binman/binman.rst b/tools/binman/binman.rst
index aeea33f..8945b19 100644
--- a/tools/binman/binman.rst
+++ b/tools/binman/binman.rst
@@ -1482,7 +1482,6 @@
 
  Repacking an image involves
 
-.. _`BinmanLogging`:
 
 Signing FIT container with private key in an image
 --------------------------------------------------
@@ -1501,6 +1500,7 @@
 which will sign FIT container with private key and replace it immediately
 inside your image.
 
+.. _`BinmanLogging`:
 
 Logging
 -------