Update crypto_se_driver.h reference

[emmanuel-ferdman]

Description

Commit d80134b moved the crypto_se_driver.h to tf-psa-crypto. This PR adjusts sources to changes. This PR also fixes some typos found in driver-interface-test-strategy.md.

PR checklist

Please remove the segment/s on either side of the | symbol as appropriate, and add any relevant link/s to the end of the line.
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• changelog not required because: small change
• development PR provided
• framework PR not required
• 3.6 PR not required because: no tf-psa-crypto in 3.6 and no typos in driver-interface-test-strategy.md
• 2.28 PR not required because: no tf-psa-crypto in 2.28
• tests not required because: documentation changed

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[eleuzi01]

LGTM, thanks!