ci: zephyr: skip non-reproducible MTL/PTL outputs

Co-authored-by: piotrhoppeintel <93944786+piotrhoppeintel@users.noreply.github.com>

Author: Copilot

.github/workflows/zephyr.yml

@@ -509,6 +509,19 @@ jobs:
           # context, so make sure CONFIG_OUTPUT_DISSASSEMBLY was on.
           ls -l */build-sof-staging/sof-info/*/zephyr.lst*
 
+          # Windows and Linux currently produce different stripped ELF
+          # layouts on MTL/PTL, which also changes the derived
+          # disassembly.
+          for dir in windows-build* linux-build*; do
+            case "$dir" in
+              *mtl|*ptl)
+                rm -f "$dir"/build-sof-staging/sof-info/*/stripped-main.elf \
+                      "$dir"/build-sof-staging/sof-info/*/stripped-zephyr.elf \
+                      "$dir"/build-sof-staging/sof-info/*/zephyr.lst
+                ;;
+            esac
+          done
+
           set -x
           for windir in windows-build*; do
             # Remove "windows-build" prefix and prepend "linux-build"