mach-snapdragon: of_fixup: fix property length at writing

The length of a property includes '\0' in a string type one, so
the length passed by needs to have that in account, if not,
when getting the property value it will fail because it
has the wrong size.

Signed-off-by: Rui Miguel Silva <rui.silva@linaro.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Caleb Connolly <caleb.connolly@linaro.org>
Link: https://lore.kernel.org/r/20250227094911.497219-2-rui.silva@linaro.org


Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>

arch/arm/mach-snapdragon/of_fixup.c

@@ -86,13 +86,13 @@ static int fixup_qcom_dwc3(struct device_node *glue_np)
 	}
 
 	/* Overwrite "phy-names" to only contain a single entry */
-	ret = of_write_prop(dwc3, "phy-names", strlen("usb2-phy"), "usb2-phy");
+	ret = of_write_prop(dwc3, "phy-names", strlen("usb2-phy") + 1, "usb2-phy");
 	if (ret) {
 		log_err("Failed to overwrite 'phy-names' property: %d\n", ret);
 		return ret;
 	}
 
-	ret = of_write_prop(dwc3, "maximum-speed", strlen("high-speed"), "high-speed");
+	ret = of_write_prop(dwc3, "maximum-speed", strlen("high-speed") + 1, "high-speed");
 	if (ret) {
 		log_err("Failed to set 'maximum-speed' property: %d\n", ret);
 		return ret;