platform: add openocd debug feature to platform.txt

Signed-off-by: Guillaume Gautier <guillaume.gautier-ext@st.com>

Author: gautierg-st

platform.txt

@@ -215,3 +215,16 @@ tools.remoteproc_gen.script=run_arduino_gen.sh
 tools.remoteproc_gen.upload.params.verbose=
 tools.remoteproc_gen.upload.params.quiet=
 tools.remoteproc_gen.upload.pattern="{busybox}" sh "{path}/{script}" generate "{build.path}/{build.project_name}.elf" "{build.path}/run_arduino_{build.project_name}.sh"
+
+# Debugger configuration (general options)
+# ----------------------------------------
+# EXPERIMENTAL feature:
+# - this is alpha and may be subject to change without notice
+debug.executable={build.path}/{build.project_name}.elf
+debug.toolchain=gcc
+debug.toolchain.path={compiler.path}
+debug.toolchain.prefix=arm-none-eabi-
+debug.server=openocd
+debug.server.openocd.path={runtime.tools.xpack-openocd-0.12.0-1.path}/bin/openocd
+debug.server.openocd.scripts_dir={runtime.tools.xpack-openocd-0.12.0-1.path}/openocd/scripts
+debug.server.openocd.script={build.path}/openocd.cfg