samples: cellular: http_update: Fix external flash configuration

The modem full update sample is broken due to an incorrect configuration
of the external flash. Fix this.

Signed-off-by: Markus Rekdal <[email protected]>

Author: nordic-mare

samples/cellular/http_update/modem_full_update/boards/nrf9151dk_nrf9151_ns.overlay

@@ -7,3 +7,14 @@
 &gd25wb256 {
 	status = "okay";
 };
+
+/ {
+	aliases {
+		ext-flash = &gd25wb256;
+	};
+
+	/* Configure partition manager to use gd25wb256 as the external flash */
+	chosen {
+		nordic,pm-ext-flash = &gd25wb256;
+	};
+};

samples/cellular/http_update/modem_full_update/boards/nrf9160dk_nrf9160_ns.overlay

@@ -4,15 +4,17 @@
  * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
  */
 
-&spi3 {
-	cs-gpios = <&arduino_header 16 GPIO_ACTIVE_LOW>, /* D10 */
-		   <&gpio0 25 GPIO_ACTIVE_LOW>;
-	mx25r64: mx25r6435f@1 {
-		compatible = "jedec,spi-nor";
-		reg = <1>;
-		status = "okay";
-		spi-max-frequency = <80000000>;
-		jedec-id = [c2 28 17];
-		size = <67108864>;
+&mx25r64 {
+	status = "okay";
+};
+
+/ {
+	aliases {
+		ext-flash = &mx25r64;
+	};
+
+	/* Configure partition manager to use mx25r64 as the external flash */
+	chosen {
+		nordic,pm-ext-flash = &mx25r64;
 	};
 };

samples/cellular/http_update/modem_full_update/boards/nrf9161dk_nrf9161_ns.overlay

@@ -7,3 +7,14 @@
 &gd25wb256 {
 	status = "okay";
 };
+
+/ {
+	aliases {
+		ext-flash = &gd25wb256;
+	};
+
+	/* Configure partition manager to use gd25wb256 as the external flash */
+	chosen {
+		nordic,pm-ext-flash = &gd25wb256;
+	};
+};

samples/cellular/http_update/modem_full_update/prj.conf

@@ -38,6 +38,7 @@ CONFIG_SHELL_CMD_BUFF_SIZE=128
 CONFIG_STREAM_FLASH=y
 CONFIG_STREAM_FLASH_ERASE=y
 CONFIG_FLASH=y
+CONFIG_FLASH_MAP=y
 
 # GPIO
 CONFIG_GPIO=y