limit the tested gpu_arch for matmul_batch_offset_large tests.

Author: shbae

projects/hipblaslt/clients/tests/data/matmul_gtest.yaml

@@ -3299,5 +3299,6 @@ Tests:
   beta: 1.0
   unit_check: 1
   norm_check: 1
+  gpu_arch: '9(42|50)'
 
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