[FEATURE] raspberrypi-4b add ostest, coremark.

[cederom]

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

For testing purposes it would be great to have ostest and coremark configurations for rPI 4B :-)

Describe the solution you'd like

Please add ostest and coremark configs for rPI 4B in a free moment :-)

Describe alternatives you've considered

No response

Verification

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