samples: subsys: mgmt: mcumgr: add support for ramload on mimxrt1050_evk

Add support for using the ramload mode of MCUBoot on the mimxrt1050_evk

Signed-off-by: Daniel DeGrasse <ddegrasse@tenstorrent.com>

Author: danieldegrasse

samples/subsys/mgmt/mcumgr/smp_svr/boards/mimxrt1050_evk_hyperflash_ram_load.conf

@@ -0,0 +1 @@
+CONFIG_USE_DT_CODE_PARTITION=y

samples/subsys/mgmt/mcumgr/smp_svr/boards/mimxrt1050_evk_hyperflash_ram_load.overlay

@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2025 Tenstorrent AI ULC
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/*
+ * Layout must match the hyperflash_ram_load overlay file within mcuboot
+ * application configuration directory
+ */
+
+/delete-node/ &sdram0;
+
+/ {
+	sram@80007F00 {
+		compatible = "zephyr,memory-region", "mmio-sram";
+		reg = <0x80007F00 0x100>;
+		zephyr,memory-region = "RetainedMem";
+		status = "okay";
+
+		retainedmem {
+			compatible = "zephyr,retained-ram";
+			status = "okay";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			boot_info0: boot_info@0 {
+				compatible = "zephyr,retention";
+				status = "okay";
+				reg = <0x0 0x100>;
+			};
+		};
+	};
+
+	chosen {
+		zephyr,bootloader-info = &boot_info0;
+		zephyr,sram = &sdram_split;
+	};
+
+	/*
+	 * Adjust sdram0 to reserve first 30KB for MCUBoot, and
+	 * remaining 2KB for retained memory
+	 */
+	sdram_split: sdram_split@80008000 {
+		reg = <0x80008000 (0x2000000 - DT_SIZE_K(32))>;
+	};
+
+};
+
+/* Reduce size of slot 0 to match slot 1 */
+&slot0_partition {
+	reg = <0x40000 0x300000>;
+};

samples/subsys/mgmt/mcumgr/smp_svr/sample.yaml

@@ -182,6 +182,7 @@ tests:
       - EXTRA_CONF_FILE="overlay-serial.conf"
     platform_allow:
       - nrf52840dk/nrf52840
+      - mimxrt1050_evk/mimxrt1052/hyperflash
     integration_platforms:
       - nrf52840dk/nrf52840
   sample.mcumgr.smp_svr.ram_load.serial.fs.shell: