Amdmigraphx improvements (#5158)
* code backup
* remove unnecessary log info
* code backup
* code backup
* merge changes from master branch
* code backup
* code backup
* merge changes from master branch
* code backup
* code backup for constant folding enhancement
* code backup
* include more scenarios for constant folding
* code backup
* remove unnecessary code
* remove unnecessary log information
* fix an error in comments
* update algorithm to do graph partition
* code backup
* remove unnecessary log information
* remove an unused function
* remove unnecessary changes