Use CSM common base image

[donatwork]

Description

Use the CSM common base image. Advantage is faster image build, being able to build on non RHEL nodes and to be able to build as a non root user.

GitHub Issues

List the GitHub issues impacted by this PR:

GitHub Issue #
dell/csm#1691

Checklist:

• Have you made sure that the code compiles?
• Did you run the unit & integration tests successfully?
• Have you maintained at least 90% code coverage?
• Have you commented your code, particularly in hard-to-understand areas
• Have you done corresponding changes to the documentation
• Did you run tests in a real Kubernetes cluster?
• Backward compatibility is not broken

How Has This Been Tested?

Built images. Installed driver on cluster and ran cert-csi vio tests using xfs to check for any issue with packages.

[donatwork]

PR is currently failing due to test coverage threshold of 90%. Current coverage is 80.7%.

[donatwork]

Coverage threshold back to 80%.

[santhoshatdell]

@donatwork: One of the tests seems to be failing with race condition. Could you check?