refactor: reorganize model directory structure.

Author: yingxudeng

xllm/models/llm/llm_model_base.h renamed to xllm/models/common/llm/llm_model_base.h

@@ -16,25 +16,25 @@ limitations under the License.
 #pragma once
 
 #if defined(USE_NPU) && !defined(USE_NPU_TORCH)
-#include "dit/pipeline_flux.h"       // IWYU pragma: keep
-#include "dit/pipeline_flux_fill.h"  // IWYU pragma: keep
-#include "llm/deepseek_v2.h"         // IWYU pragma: keep
-#include "llm/deepseek_v2_mtp.h"     // IWYU pragma: keep
-#include "llm/deepseek_v3.h"         // IWYU pragma: keep
-#include "llm/glm4_moe.h"            // IWYU pragma: keep
-#include "llm/glm4_moe_mtp.h"        // IWYU pragma: keep
-#include "llm/kimi_k2.h"             // IWYU pragma: keep
-#include "llm/llama.h"               // IWYU pragma: keep
-#include "llm/llama3.h"              // IWYU pragma: keep
-#include "llm/llm_model_base.h"      // IWYU pragma: keep
-#include "llm/qwen2.h"               // IWYU pragma: keep
-#include "llm/qwen3_embedding.h"     // IWYU pragma: keep
-#include "vlm/minicpmv.h"            // IWYU pragma: keep
-#include "vlm/qwen2_5_vl.h"          // IWYU pragma: keep
+#include "npu/dit/pipeline_flux.h"       // IWYU pragma: keep
+#include "npu/dit/pipeline_flux_fill.h"  // IWYU pragma: keep
+#include "npu/llm/deepseek_v2.h"         // IWYU pragma: keep
+#include "npu/llm/deepseek_v2_mtp.h"     // IWYU pragma: keep
+#include "npu/llm/deepseek_v3.h"         // IWYU pragma: keep
+#include "npu/llm/glm4_moe.h"            // IWYU pragma: keep
+#include "npu/llm/glm4_moe_mtp.h"        // IWYU pragma: keep
+#include "npu/llm/kimi_k2.h"             // IWYU pragma: keep
+#include "npu/llm/llama.h"               // IWYU pragma: keep
+#include "npu/llm/llama3.h"              // IWYU pragma: keep
+#include "npu/llm/llm_model_base.h"      // IWYU pragma: keep
+#include "npu/llm/qwen2.h"               // IWYU pragma: keep
+#include "npu/llm/qwen3_embedding.h"     // IWYU pragma: keep
+#include "npu/vlm/minicpmv.h"            // IWYU pragma: keep
+#include "npu/vlm/qwen2_5_vl.h"          // IWYU pragma: keep
 #endif
 
-#include "llm/llm_model_base.h"  // IWYU pragma: keep
-#include "llm/qwen3.h"           // IWYU pragma: keep
+#include "common/llm/llm_model_base.h"  // IWYU pragma: keep
+#include "common/llm/qwen3.h"           // IWYU pragma: keep
 #if !defined(USE_NPU_TORCH)
-#include "llm/qwen3_moe.h"  // IWYU pragma: keep
+#include "common/llm/qwen3_moe.h"  // IWYU pragma: keep
 #endif