fix sdk override script for linux platform

[kishorj]

Issue

Description

The sdk override setup.sh script doesn't work as expected on linux platform. Modified the script to work on both os-x and linux.

Checklist

• Added tests that cover your change (if possible)
• Added/modified documentation as required (such as the README.md, or the docs directory)
• Manually tested
• Made sure the title of the PR is a good description that can go into the release notes

BONUS POINTS checklist: complete for good vibes and maybe prizes?! 🤯

• Backfilled missing tests for code in same general area 🎉
• Refactored something and made the world a better place 🌟

[codecov-commenter]

Codecov Report

Merging #2280 (2bd6f05) into main (79fdb7f) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main    #2280   +/-   ##
=======================================
  Coverage   53.55%   53.55%           
=======================================
  Files         136      136           
  Lines        7607     7607           
=======================================
  Hits         4074     4074           
  Misses       3217     3217           
  Partials      316      316           

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[M00nF1sh]

/lgtm

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: kishorj, M00nF1sh

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