arm64: dts: qcom: sc8180x-primus: use 'gpios' suffix for PCI GPIOs

Linux handles both versions, but bindings expect GPIO properties to
have 'gpios' suffix instead of 'gpio':

  sc8180x-primus.dtb: pci@1c10000: Unevaluated properties are not allowed ('perst-gpio', 'wake-gpio' were unexpected)
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20231111164229.63803-2-krzysztof.kozlowski@linaro.orgSigned-off-by: Bjorn Andersson <andersson@kernel.org>

arch/arm64/boot/dts/qcom/sc8180x-primus.dts

@@ -531,8 +531,8 @@ mdss_edp_out: endpoint {
 };
 
 &pcie1 {
-	perst-gpio = <&tlmm 175 GPIO_ACTIVE_LOW>;
-	wake-gpio = <&tlmm 177 GPIO_ACTIVE_HIGH>;
+	perst-gpios = <&tlmm 175 GPIO_ACTIVE_LOW>;
+	wake-gpios = <&tlmm 177 GPIO_ACTIVE_HIGH>;
 	pinctrl-names = "default";
 	pinctrl-0 = <&pcie2_default_state>;