boards: shields: nrf7002eb2: Fix co-existence overlay

The board overrides the main overlay, so, coex was ending as disabled
even when coex shield variant is used.

Move the coex definition to the coex overlay directly.

Signed-off-by: Chaitanya Tata <[email protected]>

Author: krish2718

boards/shields/nrf7002eb2/nrf7002eb2_coex.overlay

@@ -4,6 +4,12 @@
  * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
  */
 
-&nrf_radio_coex{
-	status = "okay";
+/ {
+	nrf_radio_coex: coex {
+		compatible = "nordic,nrf7002-coex";
+		status = "okay";
+		status0-gpios = <&gpio0 3 GPIO_ACTIVE_HIGH>;
+		req-gpios = <&gpio0 4 GPIO_ACTIVE_HIGH>;
+		grant-gpios = <&gpio1 7 (GPIO_PULL_DOWN | GPIO_ACTIVE_LOW)>;
+	};
 };

boards/shields/nrf7002eb2/nrf7002eb2_gpio_pins_2.dtsi

@@ -4,16 +4,6 @@
  * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
  */
 
-/ {
-	nrf_radio_coex: coex {
-		compatible = "nordic,nrf7002-coex";
-		status = "disabled";
-		status0-gpios = <&gpio0 3 GPIO_ACTIVE_HIGH>;
-		req-gpios = <&gpio0 4 GPIO_ACTIVE_HIGH>;
-		grant-gpios = <&gpio1 7 (GPIO_PULL_DOWN | GPIO_ACTIVE_LOW)>;
-	};
-};
-
 &nrf70 {
 	iovdd-ctrl-gpios = <&gpio1 13 GPIO_ACTIVE_HIGH>;
 	bucken-gpios = <&gpio1 4 GPIO_ACTIVE_HIGH>;