ARM: dts: Cygnus: define ngpios property in gpio controller's node

Add ngpios property in cygnus ASIU, CCM and CRMU gpio controller's node

Signed-off-by: Pramod Kumar <[e-mail]>
Reviewed-by: Ray Jui <[e-mail]>
Reviewed-by: Scott Branden <[e-mail]>
Signed-off-by: Florian Fainelli <[e-mail]>

arch/arm/boot/dts/bcm-cygnus.dtsi

···
 			compatible = "brcm,cygnus-crmu-gpio";
 			reg = <0x03024800 0x50>,
 			      <0x03024008 0x18>;
+			ngpios = <6>;
 			#gpio-cells = <2>;
 			gpio-controller;
 		};
···
 			compatible = "brcm,cygnus-ccm-gpio";
 			reg = <0x1800a000 0x50>,
 			      <0x0301d164 0x20>;
+			ngpios = <24>;
 			#gpio-cells = <2>;
 			gpio-controller;
 			interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>;
···
 		gpio_asiu: gpio@180a5000 {
 			compatible = "brcm,cygnus-asiu-gpio";
 			reg = <0x180a5000 0x668>;
+			ngpios = <146>;
 			#gpio-cells = <2>;
 			gpio-controller;