docs: List more commit-message tags in "submitting-a-patch"

Add some more examples of commonly used commit-message tags.

(Thanks: Alex Bennée)

Signed-off-by: Kashyap Chamarthy <kchamart@redhat.com>
Message-Id: <20211119193118.949698-3-kchamart@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
diff --git a/docs/devel/submitting-a-patch.rst b/docs/devel/submitting-a-patch.rst
index 6acded5..e51259e 100644
--- a/docs/devel/submitting-a-patch.rst
+++ b/docs/devel/submitting-a-patch.rst
@@ -195,6 +195,10 @@
  Resolves: https://gitlab.com/qemu-project/qemu/-/issues/42
  Buglink: https://bugs.launchpad.net/qemu/+bug/1804323``
 
+Some other tags that are used in commit messages include "Message-Id:"
+"Tested-by:", "Acked-by:", "Reported-by:", "Suggested-by:".  See ``git
+log`` for these keywords for example usage.
+
 .. _test_your_patches:
 
 Test your patches