[HW] Add support for vector permute instructions

[M-Ijaz-10x]

Add support for vrgather, vrgatherei16 and vcompress vector permute instructions NOTE: This PR depends on PR#149 and needs to be merged after that

Changelog

Fixed

• N/A

Added

• Support for vrgather, vrgatherei16 and vcompress vector permute instructions
• Test for vrgatherei16 permute instruction

Changed

• Tests for vrgather and vcompress permute instructions

Checklist

• [x] Automated tests pass
• [x] Changelog updated
• [x] Code style guideline is observed

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