ARM: tegra: Add gpio-ranges property

Specify how the GPIOs map to the pins in Tegra SoCs, so the dependency is
explicit.
Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

arch/arm/boot/dts/tegra114.dtsi

@@ -234,6 +234,7 @@ gpio: gpio@6000d000 {
 		gpio-controller;
 		#interrupt-cells = <2>;
 		interrupt-controller;
+		gpio-ranges = <&pinmux 0 0 246>;
 	};
 
 	apbmisc@70000800 {

arch/arm/boot/dts/tegra124.dtsi

@@ -258,6 +258,7 @@ gpio: gpio@0,6000d000 {
 		gpio-controller;
 		#interrupt-cells = <2>;
 		interrupt-controller;
+		gpio-ranges = <&pinmux 0 0 251>;
 	};
 
 	apbdma: dma@0,60020000 {

arch/arm/boot/dts/tegra20.dtsi

@@ -244,6 +244,7 @@ gpio: gpio@6000d000 {
 		gpio-controller;
 		#interrupt-cells = <2>;
 		interrupt-controller;
+		gpio-ranges = <&pinmux 0 0 224>;
 	};
 
 	apbmisc@70000800 {

arch/arm/boot/dts/tegra30.dtsi

@@ -349,6 +349,7 @@ gpio: gpio@6000d000 {
 		gpio-controller;
 		#interrupt-cells = <2>;
 		interrupt-controller;
+		gpio-ranges = <&pinmux 0 0 248>;
 	};
 
 	apbmisc@70000800 {