[TF-PSA-Crypto] Move most of min_requirements.py to the framework

[valeriosetti]

As a part of solving Mbed-TLS/mbedtls-framework#86 and as requested here this PR copies min_requirements.py (the new version implemented in Mbed-TLS/mbedtls#9863) and *.requirements.txt files from the Mbed TLS repo to this one.

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