Add support for get_power_override_support in sfp API

Signed-off-by: arista-hpandya <hpandya@arista.com>

Author: arista-hpandya

sonic_platform_base/sfp_base.py

@@ -289,6 +289,16 @@ def get_power_override(self):
         """
         raise NotImplementedError
 
+    def get_power_override_support(self):
+        """
+        Retrieves whether power override is supported by this SFP
+
+        Returns:
+            True if power-override is supported, False if not supported
+            None if xcvr_api is not defined
+        """
+        raise NotImplementedError
+
     def get_temperature(self):
         """
         Retrieves the temperature of this SFP

sonic_platform_base/sonic_xcvr/sfp_optoe_base.py

@@ -261,6 +261,9 @@ def rx_disable_channel(self, channel, disable):
         api = self.get_xcvr_api()
         return api.rx_disable_channel(channel, disable) if api is not None else None
 
+    def get_power_override_support(self):
+        api = self.get_xcvr_api()
+        return api.get_power_override_support() if api is not None else None
 
     def get_power_override(self):
         api = self.get_xcvr_api()