boards: arduino: portenta_c33: Set legacy esp-hosted protocol.

Set legacy protocol property for esp-hosted.

Signed-off-by: Ibrahim Abdalkader <[email protected]>

Author: iabdalkader

boards/arduino/portenta_c33/arduino_portenta_c33.dts

@@ -165,6 +165,7 @@
 		status = "okay";
 		compatible = "espressif,esp-hosted";
 		reg = <0x1>;
+		legacy-protocol;
 		spi-max-frequency = <DT_FREQ_M(5)>;
 		reset-gpios = <&ioport8 4 GPIO_ACTIVE_HIGH>;
 		handshake-gpios = <&ioport8 6 GPIO_ACTIVE_HIGH>;