boot:crypto Add custom crypto support #3940

Job	Run time
environment (esp32c3, secureboot-sign-rsa2048,secureboot-sign-rsa3072,secureboot-sign-ec256,secur...	2m 11s
environment (esp32, multi-image,multi-boot, multi)	1m 49s
environment (esp32c6, serialrecovery)	1m 44s
environment (esp32s3, multi-image,multi-boot, multi)	1m 49s
environment (esp32c2, serialrecovery)	1m 44s
environment (esp32s3, secureboot-sign-rsa2048,secureboot-sign-rsa3072,secureboot-sign-ec256,secur...	2m 11s
environment (esp32c2, secureboot-sign-rsa2048,secureboot-sign-rsa3072,secureboot-sign-ec256,secur...	2m 8s
environment (esp32c3, serialrecovery)	1m 55s
environment (esp32s3, serialrecovery)	1m 42s
environment (esp32s2, secureboot-sign-rsa2048,secureboot-sign-rsa3072,secureboot-sign-ec256,secur...	2m 9s
environment (esp32, serialrecovery)	1m 52s
environment (esp32, secureboot-sign-rsa2048,secureboot-sign-rsa3072,secureboot-sign-ec256,secureb...	2m 25s
environment (esp32c6, secureboot-sign-rsa2048,secureboot-sign-rsa3072,secureboot-sign-ec256,secur...	2m 4s
environment (esp32h2, secureboot-sign-rsa2048,secureboot-sign-rsa3072,secureboot-sign-ec256,secur...	2m 1s
environment (esp32s2, serialrecovery)	1m 43s
environment (esp32h2, serialrecovery)	1m 49s
	31m 16s

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