dt-bindings: memory-controllers: ti,gpmc-child: drop redundant part of title

The Devicetree bindings document does not have to say in the title that
it is a "Devicetree binding", but instead just describe the hardware.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org> # MMC
Link: https://lore.kernel.org/r/20221216163815.522628-3-krzysztof.kozlowski@linaro.orgSigned-off-by: Rob Herring <robh@kernel.org>

Documentation/devicetree/bindings/memory-controllers/ti,gpmc-child.yaml

@@ -4,7 +4,7 @@
 $id: http://devicetree.org/schemas/memory-controllers/ti,gpmc-child.yaml#
 $schema: http://devicetree.org/meta-schemas/core.yaml#
 
-title: device tree bindings for children of the Texas Instruments GPMC
+title: Texas Instruments GPMC Bus Child Nodes
 
 maintainers:
   - Tony Lindgren <tony@atomide.com>