aiorepl: Update import of asyncio.

Signed-off-by: Andrew Leech <andrew.leech@planetinnovation.com.au>

micropython/aiorepl/README.md

@@ -21,7 +21,7 @@ To use this library, you need to import the library and then start the REPL task
 For example, in main.py:
 
 ```py
-import uasyncio as asyncio
+import asyncio
 import aiorepl
 
 async def demo():

micropython/aiorepl/aiorepl.py

@@ -5,7 +5,7 @@ from micropython import const
 import re
 import sys
 import time
-import uasyncio as asyncio
+import asyncio
 
 # Import statement (needs to be global, and does not return).
 _RE_IMPORT = re.compile("^import ([^ ]+)( as ([^ ]+))?")