[ROCm][CI] Cleaning and restructuring amd-ci legacy pipeline (#34839)

Signed-off-by: Andreas Karatzas <akaratza@amd.com>

tests/evals/gsm8k/configs/DeepSeek-R1-DP_MI325.yaml

@@ -0,0 +1,12 @@
+model_name: "deepseek-ai/DeepSeek-R1"
+accuracy_threshold: 0.95
+num_questions: 1319
+num_fewshot: 5
+startup_max_wait_seconds: 1200
+server_args: >-
+  --enforce-eager
+  --max-model-len 4096
+  --data-parallel-size 8
+  --enable-expert-parallel
+  --attention-backend=TRITON_ATTN
+  --speculative-config '{"method":"mtp","num_speculative_tokens":3}'