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/mkdmadata.c

@@ -14,9 +14,9 @@ int g_segmentsCount;
 
 static void write_dmadata_table(FILE *fout)
 {
-    int i;
+    fprintf(fout, "DEFINE_DMA_ENTRY(makerom, \"makerom\")\n");
 
-    for (i = 0; i < g_segmentsCount; i++) {
+    for (int i = 0; i < g_segmentsCount; i++) {
         // Don't emit dma entry for segments set with NOLOAD
         if (g_segments[i].flags & FLAG_NOLOAD) {
             continue;
@@ -29,7 +29,7 @@ static void write_dmadata_table(FILE *fout)
 static void write_compress_ranges(FILE *fout)
 {
     int i;
-    int rom_index = 0;
+    int rom_index = 1; // Start at 1 since makerom is in dmadata but not in the spec
     bool continue_list = false;
     int stride_first = -1;