greybus: interface: Fix comment mistake (s/add/init)

Function's name is gb_interface_init(), not gb_interface_add().
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

drivers/staging/greybus/interface.c

@@ -189,7 +189,7 @@ static void gb_interface_destroy(struct gb_interface *intf)
 }
 
 /**
- * gb_interface_add
+ * gb_interface_init
  *
  * Create connection for control CPort and then request/parse manifest.
  * Finally initialize all the bundles to set routes via SVC and initialize all