feat: add azure gpu helpers to AB

[lilypan26]

What type of PR is this?

What this PR does / why we need it:

Move crphelper gpu helper functions from RP to AB so they can be ingested by Karpenter as a single source of truth instead of having to maintain a separate copy.

Which issue(s) this PR fixes:

Fixes #

Requirements:

• [ ] uses conventional commit messages
• [ ] includes documentation
• [ ] adds unit tests
• [ ] tested upgrade from previous version

Special notes for your reviewer:

Release note:

none

[coveralls]

Pull Request Test Coverage Report for Build 8654261907

Details

• 44 of 56 (78.57%) changed or added relevant lines in 3 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-0.1%) to 79.146%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
pkg/agent/common/gpu.go	40	52	76.92%
<!--	Total:	44	56

Totals
Change from base Build 8654126549:	-0.1%
Covered Lines:	2372
Relevant Lines:	2997

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💛 - Coveralls