Partial linking of spec segments (#2661)

* Partial linking of overlay segments, relax linker script alignment

* Partial linking of all spec segments

* Fix update, remove _RomPos from linker script

* iQue version working pending COM-plugin update

* Add plf map file resolution to sym_info.py, local symbol merging is broken

* git subrepo pull tools/com-plugin

subrepo:
  subdir:   "tools/com-plugin"
  merged:   "c4f3ba845"
upstream:
  origin:   "git@github.com:Thar0/com-plugin.git"
  branch:   "main"
  commit:   "c4f3ba845"
git-subrepo:
  version:  "0.4.6"
  origin:   "https://github.com/ingydotnet/git-subrepo"
  commit:   "110b9eb"

* Make tools compatible with partial linking

Co-authored-by: Anghelo Carvajal <angheloalf95@gmail.com>

* Remove unused files

* Fix some makefile bits

* mkspecrules cleanup

* Comment on the makerom linker layout in mkldscript

* Revert linker padding strategy back to pad_text spec directives

* Comment on objcopy elf -> rom step

* Adjust tool descriptions

* Fix compressed builds

* rm reloc_prereq, no longer used

* Makefile merge fix

Co-authored-by: Dragorn421 <Dragorn421@users.noreply.github.com>

---------

Co-authored-by: Anghelo Carvajal <angheloalf95@gmail.com>
Co-authored-by: Dragorn421 <Dragorn421@users.noreply.github.com>

tools/fix_bss.py

@@ -217,6 +217,13 @@ def compare_pointers(version: str) -> dict[Path, BssSection]:
 
     mapfile = mapfile_parser.mapfile.MapFile()
     mapfile.readMapFile(mapfile_path)
+    def resolver(x: Path) -> Path|None:
+        if x.suffix == ".plf":
+            plf_map_path = x.with_suffix(".map")
+            if plf_map_path.exists():
+                return plf_map_path
+        return None
+    mapfile = mapfile.resolvePartiallyLinkedFiles(resolver)
 
     # Segments built from source code (filtering out assets)
     source_code_segments = []