Cloudstack kubelet configuration cp and wn

[mitalipaygude]

Issue #, if available:

Description of changes:
This PR adds a new field KubeletConfiguration in the eksa spec for control plane and worker node configuration. This is an unstructured object that is of the kind value KubeletConfiguration. This PR adds the code for Cloudstack provider.

Testing (if applicable):

• unit tests
• e2e tests

Documentation added/planned (if applicable):

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[eks-distro-bot]

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[codecov]

Codecov Report

Attention: Patch coverage is 66.66667% with 8 lines in your changes are missing coverage. Please review.

Project coverage is 73.41%. Comparing base (0e112c0) to head (7d6ba42).

Files	Patch %	Lines
pkg/providers/cloudstack/template.go	66.66%	2 Missing and 2 partials ⚠️
pkg/providers/vsphere/template.go	66.66%	2 Missing and 2 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #8205      +/-   ##
==========================================
- Coverage   73.42%   73.41%   -0.01%     
==========================================
  Files         577      577              
  Lines       35944    35968      +24     
==========================================
+ Hits        26391    26407      +16     
- Misses       7884     7888       +4     
- Partials     1669     1673       +4     

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