dt: submitting-patches: clarify that DT maintainers are to be cced on…

… bindings

The exact steps provided for submitting binding patches can be read
as requiring the bindings to be sent only to the devicetree@vger.kernel.org
list. Since the DT maintainers would like to be Cced on any binding
submissions, make this requirement explicit in step 2.

Signed-off-by: Matt Porter <mporter@konsulko.com>
Signed-off-by: Rob Herring <robh@kernel.org>

Documentation/devicetree/bindings/submitting-patches.txt

@@ -12,6 +12,9 @@ I. For patch submitters
 
        devicetree@vger.kernel.org
 
+     and Cc: the DT maintainers. Use scripts/get_maintainer.pl to identify
+     all of the DT maintainers.
+
   3) The Documentation/ portion of the patch should come in the series before
      the code implementing the binding.