symbols-check: Add _GLOBAL_OFFSET_TABLE_

This is exported on hppa/parisc.

See also: https://gitlab.freedesktop.org/glvnd/libglvnd/-/merge_requests/291

Cc: mesa-stable
Bug: https://bugs.gentoo.org/908079
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/26978>
(cherry picked from commit 0ab7ea56b2)

.pick_status.json

@@ -1294,7 +1294,7 @@
         "description": "symbols-check: Add _GLOBAL_OFFSET_TABLE_",
         "nominated": true,
         "nomination_type": 0,
-        "resolution": 0,
+        "resolution": 1,
         "main_sha": null,
         "because_sha": null,
         "notes": null

bin/symbols-check.py

@@ -7,6 +7,7 @@ import subprocess
 
 # This list contains symbols that _might_ be exported for some platforms
 PLATFORM_SYMBOLS = [
+    '_GLOBAL_OFFSET_TABLE_',
     '__bss_end__',
     '__bss_start__',
     '__bss_start',