reduce MBEDTLS key exchange moddes

Author: Jason2866

configs/defconfig.common

@@ -82,10 +82,16 @@ CONFIG_LWIP_SNTP_UPDATE_DELAY=10800000
 CONFIG_LWIP_TCPIP_RECVMBOX_SIZE=48
 CONFIG_LWIP_TCP_RECVMBOX_SIZE=16
 CONFIG_LWIP_UDP_RECVMBOX_SIZE=64
-CONFIG_MBEDTLS_PSK_MODES=y
-CONFIG_MBEDTLS_CERTIFICATE_BUNDLE_DEFAULT_CMN=y
 CONFIG_NEWLIB_NANO_FORMAT=y
-# CONFIG_MBEDTLS_ASYMMETRIC_CONTENT_LEN is not set
+
+CONFIG_MBEDTLS_CERTIFICATE_BUNDLE_DEFAULT_CMN=y
+CONFIG_MBEDTLS_PSK_MODES=y
+# CONFIG_MBEDTLS_KEY_EXCHANGE_PSK is not set
+CONFIG_MBEDTLS_KEY_EXCHANGE_ECDHE_PSK=y
+CONFIG_MBEDTLS_KEY_EXCHANGE_RSA_PSK=y
+# CONFIG_MBEDTLS_KEY_EXCHANGE_RSA is not set
+# CONFIG_MBEDTLS_KEY_EXCHANGE_ELLIPTIC_CURVE is not set
+
 CONFIG_OPENSSL_ASSERT_DO_NOTHING=y
 CONFIG_PTHREAD_TASK_STACK_SIZE_DEFAULT=2048
 CONFIG_SPI_FLASH_DANGEROUS_WRITE_ALLOWED=y