boot; drop unnecessary include from image_ec.c.
#if MYNEWT_VAL(BOOTUTIL_SIGN_EC)
#include "bootutil/sign_key.h"
-#include "mbedtls/sha256.h"
#include "mbedtls/ecdsa.h"
#include "mbedtls/oid.h"
#include "mbedtls/asn1.h"
@@ -36,7 +35,7 @@ static const uint8_t ec_pubkey_oid[] = MBEDTLS_OID_EC_ALG_UNRESTRICTED;
static const uint8_t ec_secp224r1_oid[] = MBEDTLS_OID_EC_GRP_SECP224R1;
/*
- * Parse the public key used for signing. Simple RSA format.
+ * Parse the public key used for signing.
*/
static int
bootutil_parse_eckey(mbedtls_ecdsa_context *ctx, uint8_t **p, uint8_t *end)
