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MATTER-5886: Adds fix for PSA crypto flavor of 917SoC#425

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Rohan Sahay (rosahay-silabs) wants to merge 5 commits intomainfrom
bugfix/sutlej-psa-crypto
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MATTER-5886: Adds fix for PSA crypto flavor of 917SoC#425
Rohan Sahay (rosahay-silabs) wants to merge 5 commits intomainfrom
bugfix/sutlej-psa-crypto

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@rosahay-silabs Rohan Sahay (rosahay-silabs) commented Jan 14, 2026

Issue Link: MATTER-5886

Description of Problem/Feature: PSA crypto build was failing on the SLC build system for the SiWx917 SoC board.

Description of Fix/Solution: Clearing out the hard requirements for the tinycrypt flavor in favor of more configurable options in the build process, keeping the hard requirement of using one of the flavors.

Testing Done: Manually, locally with the 917SoC and changing the build to use matter_crypto_psa_siwx917

Dependencies:

- Updated `matter_provision_flash.slcc` to remove the Tinycrypt flavor and include the generic `matter_crypto_siwx917`.
- Modified `matter_crypto_psa_siwx917.slcc` and `matter_crypto_tinycrypt_siwx917.slcc` to ensure both provide the `matter_crypto_siwx917` dependency, aligning with the new structure.
- Changed the path for the PSA crypto configuration file from `siwx917-chip-psa-config.h` to `siwx917-chip-psa-crypto-config.h`.
- Updated define names to reflect user configuration files for MBEDTLS.
- Changed the path for the PSA configuration file from `siwx917-chip-psa-crypto-config.h` to `siwx917-chip-psa-config.h`.
- Updated the define for `MBEDTLS_PSA_CRYPTO_USER_CONFIG_FILE` to reflect the new file path.
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