[Mellanox]Extending the ipinip json check to cover new Nvidia platforms

Author: dgsudharsan

dockers/docker-orchagent/ipinip.json.j2

@@ -66,7 +66,7 @@
         "TUNNEL_DECAP_TABLE:IPINIP_SUBNET" : {
             "tunnel_type":"IPINIP",
             "dscp_mode":"uniform",
-{% if "mlnx" in DEVICE_METADATA.localhost.platform %}
+{% if ("mlnx" in DEVICE_METADATA.localhost.platform or "nvidia" in DEVICE_METADATA.localhost.platform) %}
             "ecn_mode":"standard",
 {% else %}
             "ecn_mode":"copy_from_outer",
@@ -89,7 +89,7 @@
         "TUNNEL_DECAP_TABLE:IPINIP_TUNNEL" : {
             "tunnel_type":"IPINIP",
             "dscp_mode":"uniform",
-{% if "mlnx" in DEVICE_METADATA.localhost.platform %}
+{% if ("mlnx" in DEVICE_METADATA.localhost.platform or "nvidia" in DEVICE_METADATA.localhost.platform) %}
             "ecn_mode":"standard",
 {% else %}
             "ecn_mode":"copy_from_outer",
@@ -119,7 +119,7 @@
         "TUNNEL_DECAP_TABLE:IPINIP_SUBNET_V6" : {
             "tunnel_type":"IPINIP",
             "dscp_mode":"uniform",
-{% if "mlnx" in DEVICE_METADATA.localhost.platform %}
+{% if ("mlnx" in DEVICE_METADATA.localhost.platform or "nvidia" in DEVICE_METADATA.localhost.platform) %}
             "ecn_mode":"standard",
 {% else %}
             "ecn_mode":"copy_from_outer",
@@ -142,7 +142,7 @@
         "TUNNEL_DECAP_TABLE:IPINIP_V6_TUNNEL" : {
             "tunnel_type":"IPINIP",
             "dscp_mode":"uniform",
-{% if "mlnx" in DEVICE_METADATA.localhost.platform %}
+{% if ("mlnx" in DEVICE_METADATA.localhost.platform or "nvidia" in DEVICE_METADATA.localhost.platform) %}
             "ecn_mode":"standard",
 {% else %}
             "ecn_mode":"copy_from_outer",