fixes RGB Bus ISR callback exception

Author: kdschlosser

api_drivers/common_api_drivers/display/rgb_display.py

@@ -52,7 +52,7 @@ def __init__(
 
         self.__flushing_fb_index = None
 
-    def _flush_ready_cb(self, buf_num, yield_to_task):
+    def _flush_ready_cb(self, buf_num):
         if (
             self.__flushing_fb_index is None or
             buf_num != self.__flushing_fb_index