Fixed issue with running mac nodes on AWS

[sparshev]

Description

Fixed a small issue during running an actual mac machine using AWS provider.

Also btw fixed sed command during the build on mac, because was incompatible with bsd sed.

Related Issue

None

How Has This Been Tested?

Manual - allocate/destroy of the mac2.metal type instance

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• I have signed the Adobe Open Source CLA.
• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.