Fit Mini Repeater with approved optional service cuts

scripts/stm32_mini_size.py

@@ -0,0 +1,15 @@
+"""Retain the measured Mini Repeater size policy in the final LTO link."""
+
+Import("env")
+
+# PlatformIO's build_flags apply these to compilation, but do not pass them
+# to the LTO driver automatically. Keep this list matched by the profile test.
+# No compiler/ABI, flash boundary or capacity check is overridden here.
+if env["PIOENV"] == "wio-e5-mini_repeater":
+    env.Append(LINKFLAGS=[
+        "-fno-caller-saves",
+        "-fno-tree-dominator-opts",
+        "-fno-reorder-blocks",
+        "-fno-reorder-functions",
+        "-fno-tree-switch-conversion",
+    ])