toolchain: iar: use zephyr_linker_generate_linker_settings_file() to ilink

Use the standard function to generate the input file to the linker
generator.

Signed-off-by: Björn Bergman <bjorn.bergman@iar.com>

Author: bjorniuppsala

cmake/linker/iar/target.cmake

@@ -41,32 +41,19 @@ macro(configure_linker_script linker_script_gen linker_pass_define)
   else()
     set(IAR_LIB_USED "")
   endif()
+  zephyr_linker_generate_linker_settings_file(${cmake_linker_script_settings})
 
-  file(GENERATE OUTPUT ${cmake_linker_script_settings} CONTENT
-       "set(FORMAT \"$<TARGET_PROPERTY:linker,FORMAT>\" CACHE INTERNAL \"\")\n
-        set(ENTRY \"$<TARGET_PROPERTY:linker,ENTRY>\" CACHE INTERNAL \"\")\n
-        set(MEMORY_REGIONS \"$<TARGET_PROPERTY:linker,MEMORY_REGIONS>\" CACHE INTERNAL \"\")\n
-        set(GROUPS \"$<TARGET_PROPERTY:linker,GROUPS>\" CACHE INTERNAL \"\")\n
-        set(SECTIONS \"$<TARGET_PROPERTY:linker,SECTIONS>\" CACHE INTERNAL \"\")\n
-        set(SECTION_SETTINGS \"$<TARGET_PROPERTY:linker,SECTION_SETTINGS>\" CACHE INTERNAL \"\")\n
-        set(SYMBOLS \"$<TARGET_PROPERTY:linker,SYMBOLS>\" CACHE INTERNAL \"\")\n
-       "
-    )
   add_custom_command(
     OUTPUT ${linker_script_gen}
            ${STEERING_FILE}
     DEPENDS
            ${extra_dependencies}
+           ${cmake_linker_script_settings}
            ${DEVICE_API_LD_TARGET}
     COMMAND ${CMAKE_COMMAND}
-      -C ${DEVICE_API_LINKER_SECTIONS_CMAKE}
       -C ${cmake_linker_script_settings}
       -DPASS="${linker_pass_define}"
       ${STEERING_FILE_ARG}
-      -DCONFIG_LINKER_LAST_SECTION_ID=${CONFIG_LINKER_LAST_SECTION_ID}
-      -DCONFIG_LINKER_LAST_SECTION_ID_PATTERN=${CONFIG_LINKER_LAST_SECTION_ID_PATTERN}
-      -DCONFIG_IAR_DATA_INIT=${CONFIG_IAR_DATA_INIT}
-      -DCONFIG_IAR_ZEPHYR_INIT=${CONFIG_IAR_ZEPHYR_INIT}
       -DOUT_FILE=${CMAKE_CURRENT_BINARY_DIR}/${linker_script_gen}
       ${IAR_LIB_USED}
       -P ${ZEPHYR_BASE}/cmake/linker/iar/config_file_script.cmake