[DCU] rename dcu pacakge to paddlepaddle-dcu (PaddlePaddle#64790)

Author: qili93

python/CMakeLists.txt

@@ -25,7 +25,7 @@ set(PY_FILES paddle/__init__.py ${UTILS_PY_FILES} ${FLUID_PY_FILES})
 if(WITH_GPU)
   set(PACKAGE_NAME "paddlepaddle-gpu")
 elseif(WITH_ROCM)
-  set(PACKAGE_NAME "paddlepaddle-rocm")
+  set(PACKAGE_NAME "paddlepaddle-dcu")
 elseif(WITH_XPU)
   set(PACKAGE_NAME "paddlepaddle-xpu")
 elseif(WITH_IPU)