[TF-M] FreeRTOS/TF-M OTA Integration

HI All,

Here is blog published last week covering the integration of FreeRTOS OTA agent and TF-M's PSA Firmware Update Service- https://www.freertos.org/2021/07/secure-ota-updates-for-cortex-m-devices-wit... The OTA PAL implementation is now available as a submodule in Amazon FreeRTOS repository - ota_pal_psa in https://github.com/aws/amazon-freertos/tree/main/libraries/abstractions

Previous FreeRTOS and TF-M integrations include PKCS#11/PSA API shim layer - psa in https://github.com/aws/amazon-freertos/tree/main/libraries/abstractions/pkcs... and FreeRTOS kernel integration https://github.com/FreeRTOS/FreeRTOS-Kernel/tree/main/portable/ThirdParty/GC...

Thanks, Shebu