ipq40xx: dts: fix "qcom,coexist-support" property type

Convert the property variable type of "qcom,coexist-support" from
u32 to u8 to match the definition in the dt-bindings document.

Signed-off-by: Shiji Yang <[email protected]>
Link: https://github.com/openwrt/openwrt/pull/18393
Signed-off-by: Robert Marko <[email protected]>
(cherry picked from commit 3526dbabdc63c6ac8a932333ab989d1f99b6945b)

target/linux/ipq40xx/files-6.6/arch/arm/boot/dts/qcom/qcom-ipq4019-whw03.dtsi

@@ -274,7 +274,7 @@
 	pinctrl-0 = <&wifi_0_pins>;
 	pinctrl-names = "default";
 
-	qcom,coexist-support = <1>;
+	qcom,coexist-support = /bits/ 8 <1>;
 	qcom,coexist-gpio-pin = <52>;
 };