fix: add pass to empty cases

src/device/service/drivers/p4/p4_driver.py

@@ -449,9 +449,11 @@ class P4Driver(_Driver):
                         if ap_entries:
                             entries.append(ap_entries)
                 elif KEY_ACTION == resource_key:
-                    """To be implemented or deprecated"""
+                    #To be implemented or deprecated
+                    pass
                 elif '__endpoints__' == resource_key:
-                    """Not Supported for P4 devices"""
+                    #Not Supported for P4 devices
+                    pass
                 elif KEY_CTL_PKT_METADATA == resource_key:
                     msg = f"{resource_key.capitalize()} is not a " \
                           f"retrievable resource"