Added cisco config platform commands

Signed-off-by: Yucai Gu <yucgu@cisco.com>

config/main.py

@@ -5990,6 +5990,10 @@ def size(db, size):
 def platform():
     """Platform-related configuration tasks"""
 
+    if asic_type == 'cisco-8000':
+        from sonic_platform.cli.cisco import cisco
+        platform.add_command(cisco)
+
 # 'firmware' subgroup ("config platform firmware ...")
 @platform.group(cls=clicommon.AbbreviationGroup)
 def firmware():

tests/config_test.py

@@ -1634,7 +1634,7 @@ def setup_class(cls):
 
     def test_config_platform(self, ctx, get_cmd_module, setup_single_cisco_asic):
             #expected_output = "Enabling TX"
-            expected_output = "update"
+            expected_output = "interface"
             (config, show) = get_cmd_module
             db = Db()
             runner = CliRunner()
@@ -1643,7 +1643,8 @@ def test_config_platform(self, ctx, get_cmd_module, setup_single_cisco_asic):
             #config.config(ctx)
             #result = runner.invoke(config.config.commands["platform"], ['--help'])
             #result = runner.invoke(config.config.commands["platform"].commands['cisco'].commands['interface'].commands['tx'].commands['enable'], ['Ethernet60'])
-            result = runner.invoke(config.config.commands["platform"].commands['firmware'], ['--help'])
+            config.asic_type = mock.MagicMock(return_value="cisco-8000")
+            result = runner.invoke(config.config.commands["platform"].commands['cisco'], ['--help'])
 
             print(result.exit_code)
             print(result.output)