platform.txt: Added poll msg based on board after objcopy.

Signed-off-by: jaenrig-ifx <enriquezgarcia.external@infineon.com>

Author: jaenrig-ifx

platform.txt

@@ -114,6 +114,10 @@ recipe.ar.pattern="{compiler.path}{compiler.ar.cmd}" {compiler.ar.flags} {compil
 ## Create output (bin file)
 recipe.objcopy.bin.pattern="{compiler.path}{compiler.elf2hex.cmd}" {compiler.elf2hex.flags} {compiler.elf2hex.extra_flags}"{build.path}/{build.project_name}.elf" "{build.path}/{build.project_name}.hex"
 
+## User poll hook
+## This is temporary. This should be removed when the msg is no longer required.
+recipe.hooks.objcopy.postobjcopy.1.pattern=python {runtime.platform.path}/tools/brd_msg.py {build.board_variant}
+
 ## Save hex
 recipe.output.tmp_file={build.project_name}.bin
 recipe.output.save_file={build.project_name}.{build.variant}.bin