Allow specifying cmake setup directory

[ryxli]

Description

Please include a brief summary of the changes, relevant motivation and context.

Allow specifying which directory to store cmake build cache, which makes user defined docker buildx workflows more flexible.

Fixes # (issue)

Type of change

• Documentation change (change only to the documentation, either a fix or a new content)
• Bug fix (non-breaking change which fixes an issue)
• [x ] New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Infra/Build change
• Code refractor

Changes

Please list the changes introduced in this PR:

• Change A
• Change B

Checklist:

• [x ] I have read and followed the contributing guidelines
• [x ] The functionality is complete
• [na] I have commented my code, particularly in hard-to-understand areas
• [na ] I have made corresponding changes to the documentation
• [x ] My changes generate no new warnings
• [na] I have added tests that prove my fix is effective or that my feature works
• [na] New and existing unit tests pass locally with my changes

[ptrendx]

Hello @ryxli, could you please sign your commits (https://github.com/NVIDIA/TransformerEngine/blob/main/CONTRIBUTING.rst#sign-your-work)?

[timmoon10]

/te-ci