Remove MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE_RP error code

Signed-off-by: Hanno Becker <hanno.becker@arm.com>
diff --git a/library/ssl_srv.c b/library/ssl_srv.c
index e928874..36281c9 100644
--- a/library/ssl_srv.c
+++ b/library/ssl_srv.c
@@ -3404,7 +3404,7 @@
     if( ( ret = mbedtls_dhm_read_public( &ssl->handshake->dhm_ctx, *p, n ) ) != 0 )
     {
         MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_dhm_read_public", ret );
-        return( MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE_RP );
+        return( MBEDTLS_ERR_SSL_DECODE_ERROR );
     }
 
     *p += n;
@@ -3769,7 +3769,7 @@
                                       p, end - p) ) != 0 )
         {
             MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ecdh_read_public", ret );
-            return( MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE_RP );
+            return( MBEDTLS_ERR_SSL_DECODE_ERROR );
         }
 
         MBEDTLS_SSL_DEBUG_ECDH( 3, &ssl->handshake->ecdh_ctx,
@@ -3915,7 +3915,7 @@
                                        p, end - p ) ) != 0 )
         {
             MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ecdh_read_public", ret );
-            return( MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE_RP );
+            return( MBEDTLS_ERR_SSL_DECODE_ERROR );
         }
 
 #if defined(MBEDTLS_USE_PSA_CRYPTO)