Add skeleton for EC J-PAKE module

include/mbedtls/config.h

@@ -1670,6 +1670,21 @@
  */
 #define MBEDTLS_ECDSA_C
 
+/**
+ * \def MBEDTLS_ECJPAKE_C
+ *
+ * Enable the elliptic curve J-PAKE library.
+ *
+ * Module:  library/ecjpake.c
+ * Caller:
+ *
+ * This module is used by the following key exchanges:
+ *      ECJPAKE
+ *
+ * Requires: MBEDTLS_ECP_C, MBEDTLS_MD_C
+ */
+#define MBEDTLS_ECJPAKE_C
+
 /**
  * \def MBEDTLS_ECP_C
  *
@@ -1678,6 +1693,7 @@
  * Module:  library/ecp.c
  * Caller:  library/ecdh.c
  *          library/ecdsa.c
+ *          library/ecjpake.c
  *
  * Requires: MBEDTLS_BIGNUM_C and at least one MBEDTLS_ECP_DP_XXX_ENABLED
  */