ggml-hexagon: sync from project kantv(make ggml-hexagon backend can works in a standard Android APP)

Author: zhouwg

ggml/include/ggml-hexagon.h

@@ -1,5 +1,5 @@
  /*
- * Copyright (c) 2023-2025 The ggml authors
+ * Copyright (c) 2024-2025 The ggml authors
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to
@@ -28,15 +28,15 @@
 extern "C" {
 #endif
 
-#define GGML_HEXAGON_MAX_DEVICES    3
+#define GGML_HEXAGON_MAX_DEVICES    4
 #define GGML_HEXAGON_BACKEND_NAME   "hexagon"
 
 enum HEXAGONBackend {
     HEXAGON_BACKEND_QNNCPU  = 0,
     HEXAGON_BACKEND_QNNGPU  = 1,
     HEXAGON_BACKEND_QNNNPU  = 2,
-    HEXAGON_BACKEND_CDSP    = 2,
-    HEXAGON_BACKEND_GGML    = 3, //"fake" QNN backend for compare performance between HEXAGON backend and ggml backend
+    HEXAGON_BACKEND_CDSP    = 3,
+    HEXAGON_BACKEND_GGML    = 4, //"fake" HEXAGON backend for compare performance between HEXAGON backend and ggml backend
 };
 
 GGML_BACKEND_API ggml_backend_t ggml_backend_hexagon_init(size_t dev_num, const char * qnn_lib_path);

ggml/src/ggml-hexagon/CMakeLists.txt

@@ -22,7 +22,7 @@ if (CMAKE_BUILD_TYPE STREQUAL "Debug")
     message("Debug mode:${DEBUG_FLAG}")
 else()
     set(DEBUG_FLAG "-DNDEBUG -Wall")
-#manually disable all foreground logs in ggml-hexagon/CMakeLists.txt to
+#manually disable all verbose logs in ggml-hexagon/CMakeLists.txt to
 #make compare NPU performance through llama-bench more clear
 #set(DEBUG_FLAG "-DNDEBUG -Wall -DDISABLE_ALL_LOG")
     message("Release mode:${DEBUG_FLAG}")