add mbedtls_ecdh_setup_no_everest

Setup ecdh without everest for TLS1.3

Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
diff --git a/library/ecdh_misc.h b/library/ecdh_misc.h
index 3d75b0f..c377e70 100644
--- a/library/ecdh_misc.h
+++ b/library/ecdh_misc.h
@@ -22,11 +22,20 @@
 #if !defined(MBEDTLS_ECDH_MISC_H)
 #define MBEDTLS_ECDH_MISC_H
 
+#include "mbedtls/ecdh.h"
+#include "mbedtls/ecp.h"
+
 #if defined(MBEDTLS_ECDH_C)
 
 #if defined(MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL)
 
 /*
+ * Setup context without everst
+ */
+int mbedtls_ecdh_setup_no_everest( mbedtls_ecdh_context *ctx,
+                                   mbedtls_ecp_group_id grp_id );
+
+/*
  * TLS 1.3 version of mbedtls_ecdh_make_params in ecdh.h
  */
 int mbedtls_ecdh_tls13_make_params( mbedtls_ecdh_context *ctx, size_t *olen,
@@ -34,6 +43,7 @@
                                     int ( *f_rng )( void *, unsigned char *, size_t ),
                                     void *p_rng );
 
+
 #endif /* MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL */
 
 #endif /* MBEDTLS_ECDH_C */