add ngc to PATH

[YanxuanLiu]

Fixes #4507

Description

Root cause

the executable binary needs to be put in same folder with devpendences.

Solution

1. add opt/tools and opt/tools/ngc-cli to PATH
2. remove cp ngc-cli/ngc ngc

Status

Ready

Types of changes

• Non-breaking change (fix or new feature that would not break existing functionality).
• Breaking change (fix or new feature that would cause existing functionality to change).
• New tests added to cover the changes.
• Integration tests passed locally by running ./runtests.sh -f -u --net --coverage.
• Quick tests passed locally by running ./runtests.sh --quick --unittests --disttests.
• In-line docstrings updated.
• Documentation updated, tested make html command in the docs/ folder.

[wyli]

/build