dt-bindings: mmc: jz4740: Add bindings for JZ4760

Add the MMC bindings for the JZ4760 Soc from Ingenic.
Signed-off-by: NZhou Yanjie <zhouyanjie@zoho.com>
Acked-by: NRob Herring <robh@kernel.org>
Signed-off-by: NUlf Hansson <ulf.hansson@linaro.org>

Documentation/devicetree/bindings/mmc/jz4740.txt

@@ -8,6 +8,7 @@ Required properties:
 - compatible: Should be one of the following:
   - "ingenic,jz4740-mmc" for the JZ4740
   - "ingenic,jz4725b-mmc" for the JZ4725B
+  - "ingenic,jz4760-mmc" for the JZ4760
   - "ingenic,jz4780-mmc" for the JZ4780
 - reg: Should contain the MMC controller registers location and length.
 - interrupts: Should contain the interrupt specifier of the MMC controller.