[AMD] Register scripted-core chunked-prefill test for AMD extra-a CI (#29058)

test/registered/chunked_prefill/test_scripted_core_1gpu.py

@@ -1,6 +1,6 @@
 import unittest
 
-from sglang.test.ci.ci_register import register_cuda_ci
+from sglang.test.ci.ci_register import register_amd_ci, register_cuda_ci
 from sglang.test.scripted_runtime.context import ScriptedContext
 from sglang.test.scripted_runtime.test_case import ScriptedTestCase
 from sglang.test.scripted_runtime_chunked_helpers import (
@@ -11,6 +11,7 @@ from sglang.test.scripted_runtime_chunked_helpers import (
 )
 
 register_cuda_ci(est_time=300, stage="extra-a", runner_config="1-gpu-small")
+register_amd_ci(est_time=198, stage="extra-a", runner_config="1-gpu-small-amd")
 
 
 _CHUNK_SIZE = 64