[AMD] CI - enable deepseekv3.2 on MI325-8gpu and merge perf/accuracy test suites into stage-b suites (#17633)

Co-authored-by: Bingxu Chen <Bingxu.Chen@amd.com>

test/registered/eval/test_eval_accuracy_large.py

@@ -14,6 +14,7 @@ from sglang.test.test_utils import (
     DEFAULT_TIMEOUT_FOR_SERVER_LAUNCH,
     DEFAULT_URL_FOR_TEST,
     CustomTestCase,
+    is_in_amd_ci,
     is_in_ci,
     popen_launch_server,
     write_github_step_summary,
@@ -71,7 +72,10 @@ class TestEvalAccuracyLarge(CustomTestCase):
                 f"### test_human_eval\n" f'{metrics["score"]=:.4f}\n'
             )
 
-        self.assertGreater(metrics["score"], 0.64)
+        if is_in_amd_ci():
+            self.assertGreater(metrics["score"], 0.60)
+        else:
+            self.assertGreater(metrics["score"], 0.64)
 
     def test_mgsm_en(self):
         args = SimpleNamespace(