How can to use Device tree complie inWp7605

I have added below code to “./kernel/arch/arm/boot/dts/qcom/mdm9607-wp76xx.dtsi” file

&spi1 {
wfx {
compatible = “silabs,wf200”;
pinctrl-names = “default”;
pinctrl-0 = <&wfx_irq &wfx_gpios>;
interrupts-extended = <&gpio 16 IRQ_TYPE_EDGE_RISING>;
wakeup-gpios = <&gpio 12 GPIO_ACTIVE_HIGH>;
reset-gpios = <&gpio 13 GPIO_ACTIVE_LOW>;
reg = <0>;
spi-max-frequency = <42000000>;
};
};

get this error


did i add code to the right file??
if not where should I have to add?