make examples in docs device agnostic (#14414)
* docs: annotate hardcoded cuda device with alternatives in English docs
* docs: annotate hardcoded device_map="cuda" with alternatives
* update
Signed-off-by: kaixuanliu <kaixuan.liu@intel.com>
---------
Signed-off-by: kaixuanliu <kaixuan.liu@intel.com>
