boards: max32657evkit/max32657/ns: flash tfm_merged.hex on default

This commit provides flashing tfm_merged.hex (includes
mcuboot+tfm+ns_image) on default.

Signed-off-by: Mert Ekren <[email protected]>

Author: mertekren

boards/adi/max32657evkit/board.cmake

@@ -1,6 +1,10 @@
 # Copyright (c) 2024-2025 Analog Devices, Inc.
 # SPDX-License-Identifier: Apache-2.0
 
+if(CONFIG_BOARD_MAX32657EVKIT_MAX32657_NS)
+  set_property(TARGET runners_yaml_props_target PROPERTY hex_file tfm_merged.hex)
+endif()
+
 board_runner_args(jlink "--device=MAX32657" "--reset-after-load")
 
 include(${ZEPHYR_BASE}/boards/common/openocd-adi-max32.boards.cmake)