ARM: dts: qcom-apq8064: add gpio-ranges to mpps nodes

Add gpio-ranges property to mpps device tree nodes, adding the mapping between
pinctrl and GPIO pins.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211008012524.481877-4-dmitry.baryshkov@linaro.org

arch/arm/boot/dts/qcom-apq8064.dtsi

@@ -689,6 +689,7 @@ pm8821_mpps: mpps@50 {
 						     <27 IRQ_TYPE_NONE>;
 					gpio-controller;
 					#gpio-cells = <2>;
+					gpio-ranges = <&pm8821_mpps 0 0 4>;
 				};
 			};
 		};
@@ -726,6 +727,7 @@ pm8921_mpps: mpps@50 {
 					reg = <0x50>;
 					gpio-controller;
 					#gpio-cells = <2>;
+					gpio-ranges = <&pm8921_mpps 0 0 12>;
 					interrupts =
 					<128 IRQ_TYPE_NONE>,
 					<129 IRQ_TYPE_NONE>,