dts: pinctrl: Add GPIO to Pinctrl pin mapping in DT

ASIU gpio controller's pins are muxed with pin-cntroller.
Add this mapping through property "gpio-ranges".
Signed-off-by: NPramod Kumar <pramodku@broadcom.com>
Reviewed-by: NRay Jui <rjui@broadcom.com>
Reviewed-by: NScott Branden <sbranden@broadcom.com>
Reviewed-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NFlorian Fainelli <f.fainelli@gmail.com>

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

@@ -248,10 +248,59 @@
 			#gpio-cells = <2>;
 			gpio-controller;
 
-			pinmux = <&pinctrl>;
-
 			interrupt-controller;
 			interrupts = <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>;
+			gpio-ranges = <&pinctrl 0 42 1>,
+					<&pinctrl 1 44 3>,
+					<&pinctrl 4 48 1>,
+					<&pinctrl 5 50 3>,
+					<&pinctrl 8 126 1>,
+					<&pinctrl 9 155 1>,
+					<&pinctrl 10 152 1>,
+					<&pinctrl 11 154 1>,
+					<&pinctrl 12 153 1>,
+					<&pinctrl 13 127 3>,
+					<&pinctrl 16 140 1>,
+					<&pinctrl 17 145 7>,
+					<&pinctrl 24 130 10>,
+					<&pinctrl 34 141 4>,
+					<&pinctrl 38 54 1>,
+					<&pinctrl 39 56 3>,
+					<&pinctrl 42 60 3>,
+					<&pinctrl 45 64 3>,
+					<&pinctrl 48 68 2>,
+					<&pinctrl 50 84 6>,
+					<&pinctrl 56 94 6>,
+					<&pinctrl 62 72 1>,
+					<&pinctrl 63 70 1>,
+					<&pinctrl 64 80 1>,
+					<&pinctrl 65 74 3>,
+					<&pinctrl 68 78 1>,
+					<&pinctrl 69 82 1>,
+					<&pinctrl 70 156 17>,
+					<&pinctrl 87 104 12>,
+					<&pinctrl 99 102 2>,
+					<&pinctrl 101 90 4>,
+					<&pinctrl 105 116 6>,
+					<&pinctrl 111 100 2>,
+					<&pinctrl 113 122 4>,
+					<&pinctrl 123 11 1>,
+					<&pinctrl 124 38 4>,
+					<&pinctrl 128 43 1>,
+					<&pinctrl 129 47 1>,
+					<&pinctrl 130 49 1>,
+					<&pinctrl 131 53 1>,
+					<&pinctrl 132 55 1>,
+					<&pinctrl 133 59 1>,
+					<&pinctrl 134 63 1>,
+					<&pinctrl 135 67 1>,
+					<&pinctrl 136 71 1>,
+					<&pinctrl 137 73 1>,
+					<&pinctrl 138 77 1>,
+					<&pinctrl 139 79 1>,
+					<&pinctrl 140 81 1>,
+					<&pinctrl 141 83 1>,
+					<&pinctrl 142 10 1>;
 		};
 
 		touchscreen: tsc@180a6000 {