Fix comparison order to show MIVisionX speedup over Khronos

Swap argument order so Khronos is baseline (impl A) and MIVisionX is
impl B. Speedup >1.00 now means MIVisionX is faster than Khronos.

Co-Authored-By: Claude Opus 4 <noreply@anthropic.com>

Author: kiritigowda

.github/workflows/ci.yml

@@ -88,7 +88,7 @@ jobs:
             exit 0
           fi
 
-          python3 scripts/compare_reports.py "$MIVISIONX" "$KHRONOS" \
+          python3 scripts/compare_reports.py "$KHRONOS" "$MIVISIONX" \
             --output comparison
 
       - name: Post comparison to job summary