[DOCUMENTATION] Open hardware stack check

[acassis]

Is your feature request related to a problem? Please describe.

Documentation about new features introduced to NuttX: #15628

Describe the solution you'd like

Explanation how to use the hardware stack check

Describe alternatives you've considered

N/A

Verification

• I have verified before submitting the report.

[acassis]

@W-M-R please close this Issue after submitting the documentation

[W-M-R]

@W-M-R please close this Issue after submitting the documentation

OK