Add plo for riscv64

[lukileczo]

Description

JIRA: RTOS-550

Motivation and Context

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

How Has This Been Tested?

• Already covered by automatic testing.
• New test added: (add PR link here).
• Tested by hand on: (list targets here).

Checklist:

• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my changes.
• All new and existing linter checks and tests passed.
• My changes generate no new compilation warnings for any of the targets.

Special treatment

• This PR needs additional PRs to work (list the PRs, preferably in merge-order).
• I will merge this PR by myself when appropriate.

[github-actions]

Unit Test Results

6 410 tests  ±0   5 776 ✅ ±0   30m 52s ⏱️ +4s
  354 suites ±0     634 💤 ±0 
    1 files   ±0       0 ❌ ±0 

Results for commit 8d0f6ec. ± Comparison against base commit a8408b1.

♻️ This comment has been updated with latest results.

[nalajcie]

I would advice to add common technical words to /.codespell_ignore file in repo to avoid future issues with codespell

AFAIK it's only used in ports right now - in lsb PR (https://github.com/phoenix-rtos/phoenix-rtos-ports/pull/54/files#diff-9419e32c35e70ac3f5a58e5d4a2312c38b9d0b4549abaa63829d9143b50408b7)