update: 开启MBEDTLS_ECP_NIST_OPTIM优化

app/port/mbedtls_config_air101.h

@@ -591,7 +591,7 @@
  *
  * Comment this macro to disable NIST curves optimisation.
  */
-//#define MBEDTLS_ECP_NIST_OPTIM
+#define MBEDTLS_ECP_NIST_OPTIM
 
 /**
  * \def MBEDTLS_ECDSA_DETERMINISTIC