Fixed conditions for ENCAP_MAPPERS and DECAP_MAPPERS (opencomputeproj…

…ect#735)

* Fixed conditions for SAI_TUNNEL_ATTR_ENCAP_MAPPERS and SAI_TUNNEL_ATTR_DECAP_MAPPERS tunnel attributes
to attach to tunnel different types of mappers

Signed-off-by: Iurii Gordynskyi <Iurii.Gordynskyi@cavium.com>

* Removed the mandatory clause and gave a default of empty list
in SAI_TUNNEL_ATTR_ENCAP_MAPPERS and SAI_TUNNEL_ATTR_DECAP_MAPPERS definitions

Signed-off-by: Iurii Gordynskyi <Iurii.Gordynskyi@cavium.com>

inc/saitunnel.h

@@ -548,9 +548,9 @@ typedef enum _sai_tunnel_attr_t
      * @brief Tunnel encap mappers
      *
      * @type sai_object_list_t
-     * @flags MANDATORY_ON_CREATE | CREATE_ONLY
+     * @flags CREATE_ONLY
      * @objects SAI_OBJECT_TYPE_TUNNEL_MAP
-     * @condition SAI_TUNNEL_ATTR_ENCAP_ECN_MODE == SAI_TUNNEL_ENCAP_ECN_MODE_USER_DEFINED
+     * @default empty
      */
     SAI_TUNNEL_ATTR_ENCAP_MAPPERS,
 
@@ -569,9 +569,9 @@ typedef enum _sai_tunnel_attr_t
      * @brief Tunnel decap mappers
      *
      * @type sai_object_list_t
-     * @flags MANDATORY_ON_CREATE | CREATE_ONLY
+     * @flags CREATE_ONLY
      * @objects SAI_OBJECT_TYPE_TUNNEL_MAP
-     * @condition SAI_TUNNEL_ATTR_DECAP_ECN_MODE == SAI_TUNNEL_DECAP_ECN_MODE_USER_DEFINED
+     * @default empty
      */
     SAI_TUNNEL_ATTR_DECAP_MAPPERS,