This is to remove similar errors as below:

OF: /.../gpio-port@0: could not find phandle

Commit 7569486d79ae ("gpio: dwapb: Add ngpios DT-property support")
explained the reason of above errors well and added the generic
"ngpios" property, let's use it.

Signed-off-by: Jisheng Zhang <redacted>
---
 arch/arm/boot/dts/socfpga.dtsi         | 6 +++---
 arch/arm/boot/dts/socfpga_arria10.dtsi | 6 +++---
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/arm/boot/dts/socfpga.dtsi b/arch/arm/boot/dts/socfpga.dtsi
index 0b021eef0b53..32b7ad814ec6 100644
--- a/arch/arm/boot/dts/socfpga.dtsi
+++ b/arch/arm/boot/dts/socfpga.dtsi

@@ -612,7 +612,7 @@ porta: gpio-controller@0 {
 				compatible = "snps,dw-apb-gpio-port";
 				gpio-controller;
 				#gpio-cells = <2>;
-				snps,nr-gpios = <29>;
+				ngpios = <29>;
 				reg = <0>;
 				interrupt-controller;
 				#interrupt-cells = <2>;

@@ -633,7 +633,7 @@ portb: gpio-controller@0 {
 				compatible = "snps,dw-apb-gpio-port";
 				gpio-controller;
 				#gpio-cells = <2>;
-				snps,nr-gpios = <29>;
+				ngpios = <29>;
 				reg = <0>;
 				interrupt-controller;
 				#interrupt-cells = <2>;

@@ -654,7 +654,7 @@ portc: gpio-controller@0 {
 				compatible = "snps,dw-apb-gpio-port";
 				gpio-controller;
 				#gpio-cells = <2>;
-				snps,nr-gpios = <27>;
+				ngpios = <27>;
 				reg = <0>;
 				interrupt-controller;
 				#interrupt-cells = <2>;

diff --git a/arch/arm/boot/dts/socfpga_arria10.dtsi b/arch/arm/boot/dts/socfpga_arria10.dtsi
index 0013ec3463c4..34e23e0582fb 100644
--- a/arch/arm/boot/dts/socfpga_arria10.dtsi
+++ b/arch/arm/boot/dts/socfpga_arria10.dtsi

@@ -491,7 +491,7 @@ porta: gpio-controller@0 {
 				compatible = "snps,dw-apb-gpio-port";
 				gpio-controller;
 				#gpio-cells = <2>;
-				snps,nr-gpios = <29>;
+				ngpios = <29>;
 				reg = <0>;
 				interrupt-controller;
 				#interrupt-cells = <2>;

@@ -511,7 +511,7 @@ portb: gpio-controller@0 {
 				compatible = "snps,dw-apb-gpio-port";
 				gpio-controller;
 				#gpio-cells = <2>;
-				snps,nr-gpios = <29>;
+				ngpios = <29>;
 				reg = <0>;
 				interrupt-controller;
 				#interrupt-cells = <2>;

@@ -531,7 +531,7 @@ portc: gpio-controller@0 {
 				compatible = "snps,dw-apb-gpio-port";
 				gpio-controller;
 				#gpio-cells = <2>;
-				snps,nr-gpios = <27>;
+				ngpios = <27>;
 				reg = <0>;
 				interrupt-controller;
 				#interrupt-cells = <2>;