Rename curve_bytes to coordinate_bytes

Also remove unneeded instance from verify operation struct.

Signed-off-by: Paul Elliott <paul.elliott@arm.com>
diff --git a/include/psa/crypto_builtin_composites.h b/include/psa/crypto_builtin_composites.h
index 44fa6de..7122cc8 100644
--- a/include/psa/crypto_builtin_composites.h
+++ b/include/psa/crypto_builtin_composites.h
@@ -117,7 +117,7 @@
     mbedtls_ecdsa_context *MBEDTLS_PRIVATE(ctx);
     mbedtls_ecdsa_restart_ctx MBEDTLS_PRIVATE(restart_ctx);
 
-    size_t MBEDTLS_PRIVATE(curve_bytes);
+    size_t MBEDTLS_PRIVATE(coordinate_bytes);
     psa_algorithm_t MBEDTLS_PRIVATE(alg);
     mbedtls_md_type_t MBEDTLS_PRIVATE(md_alg);
     const uint8_t *MBEDTLS_PRIVATE(hash);
@@ -150,7 +150,6 @@
     mbedtls_ecdsa_context *MBEDTLS_PRIVATE(ctx);
     mbedtls_ecdsa_restart_ctx MBEDTLS_PRIVATE(restart_ctx);
 
-    size_t MBEDTLS_PRIVATE(curve_bytes);
     const uint8_t *MBEDTLS_PRIVATE(hash);
     size_t MBEDTLS_PRIVATE(hash_length);