klippy: Introduce load_config_prefix() for modules that take parameters

Use both load_config() and load_config_prefix() functions when
dynamically loading a module from the extras directory - if the config
section name has parameters in it then use load_config_prefix().

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>

klippy/extras/replicape.py

@@ -218,6 +218,4 @@ class Replicape:
         return pclass(self, channel, pin_params)
 
 def load_config(config):
-    if config.get_name() != 'replicape':
-        raise config.error("Invalid replicape config name")
     return Replicape(config)