Add Hexagon v75 (Galaxy S24 / SM8650, soc 57) bundle

fp16 decode+prefill+lmhead+embed (~5.8G, same layout as v79/v81), QAIRT 2.47 soc 57. Export gate 8/8. Runtime needs >8GB RAM (fp16 dual 2.5G graphs).

.gitattributes

@@ -35,3 +35,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *tfevents* filter=lfs diff=lfs merge=lfs -text
 v81/tokenizer.json filter=lfs diff=lfs merge=lfs -text
 v79/tokenizer.json filter=lfs diff=lfs merge=lfs -text
+v75/tokenizer.json filter=lfs diff=lfs merge=lfs -text

v75/DeepSeek-R1-Distill-Qwen-1.5B.json

@@ -0,0 +1,49 @@
+{
+  "schema_version": 1,
+  "_comment": "",
+  "model": {
+    "name": "DeepSeek-R1-Distill-Qwen-1.5B",
+    "family": "llm",
+    "dsp_arch": "v75",
+    "tokenizer_pre": "qwen2"
+  },
+  "params": {
+    "hidden": 1536,
+    "vocab": 151936,
+    "n_layers": 28,
+    "max_ctx": 1024,
+    "kv_dim": 256,
+    "head_dim": 128,
+    "rope_theta": 10000.0,
+    "eos_token_id": 151643
+  },
+  "artifacts": {
+    "contexts": {
+      "prefill": {
+        "bin": "deepseekr1distillqwen15b_prefill_f16.bin"
+      },
+      "decode": {
+        "bin": "deepseekr1distillqwen15b_decode_f16.bin"
+      },
+      "lmhead": {
+        "bin": "deepseekr1distillqwen15b_lmhead_f16.bin"
+      }
+    },
+    "embed": "deepseekr1distillqwen15b_embed_f16.bin",
+    "tokenizer": "tokenizer.json"
+  },
+  "plan": {
+    "steps": [
+      {
+        "host": "qwen3_generate",
+        "params": {
+          "prefill": "deepseekr1distillqwen15b_prefill_f16",
+          "decode": "deepseekr1distillqwen15b_decode_f16",
+          "lmhead": "deepseekr1distillqwen15b_lmhead_f16",
+          "max_new": 64,
+          "neg": -50000
+        }
+      }
+    ]
+  }
+}

v75/deepseekr1distillqwen15b_decode_f16.bin

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v75/deepseekr1distillqwen15b_embed_f16.bin

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v75/deepseekr1distillqwen15b_lmhead_f16.bin

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v75/deepseekr1distillqwen15b_prefill_f16.bin

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v75/tokenizer.json

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