cann : add Ascend NPU support (whisper/2336)

* enable Ascend NPU in src/whisper.cpp
  * sync test-backend-ops with llama.cpp

Author: MengqingCao

ggml/src/ggml-cann/Doxyfile

@@ -32,7 +32,7 @@ DOXYFILE_ENCODING      = UTF-8
 # title of most generated pages and in a few other places.
 # The default value is: My Project.
 
-PROJECT_NAME           = "llama.cpp"
+PROJECT_NAME           = "whisper.cpp"
 
 # The PROJECT_NUMBER tag can be used to enter a project or revision number. This
 # could be handy for archiving the generated documentation or if some version
@@ -44,7 +44,7 @@ PROJECT_NUMBER         =
 # for a project that appears at the top of each page and should give viewer a
 # quick idea about the purpose of the project. Keep the description short.
 
-PROJECT_BRIEF          = "llama inference engine"
+PROJECT_BRIEF          = "Port of OpenAI's Whisper model in C/C++"
 
 # With the PROJECT_LOGO tag one can specify a logo or an icon that is included
 # in the documentation. The maximum height of the logo should not exceed 55