dts: qcom: adjust pmic gpio to use upstream bindings

Use the upstream gpio-ranges property instead of gpio-count, and drop
the bank-name property for Qualcomm boards.

Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Sumit Garg <sumit.garg@linaro.org>
Tested-by: Sumit Garg <sumit.garg@linaro.org>
Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
diff --git a/arch/arm/dts/qcs404-evb.dts b/arch/arm/dts/qcs404-evb.dts
index 84224a8..bd2e303 100644
--- a/arch/arm/dts/qcs404-evb.dts
+++ b/arch/arm/dts/qcs404-evb.dts
@@ -378,9 +378,8 @@
 					compatible = "qcom,pms405-gpio";
 					reg = <0xc000 0x400>;
 					gpio-controller;
-					gpio-count = <12>;
+					gpio-ranges = <&pms405_gpios 0 0 12>;
 					#gpio-cells = <2>;
-					gpio-bank-name="pmic";
 				};
 			};
 		};