mynewt: remove #error on ec256 with Mbed TLS
Allow building ec256 signature validation on Mynewt using Mbed TLS.
Related to
#endif
#if MYNEWT_VAL(BOOTUTIL_SIGN_EC256)
#define MCUBOOT_SIGN_EC256 1
- #ifndef MCUBOOT_USE_TINYCRYPT
- #error "EC256 requires the use of tinycrypt."
- #endif
#endif
#if MYNEWT_VAL(BOOTUTIL_SIGN_RSA)
#define MCUBOOT_SIGN_RSA 1
