all: Replace all uses of umodule in Python code.

Applies to drivers/examples/extmod/port-modules/tools.

This work was funded through GitHub Sponsors.

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>

ports/esp8266/modules/_boot.py

@@ -1,12 +1,12 @@
 import gc
 
 gc.threshold((gc.mem_free() + gc.mem_alloc()) // 4)
-import uos
+import os
 from flashbdev import bdev
 
 if bdev:
     try:
-        uos.mount(bdev, "/")
+        os.mount(bdev, "/")
     except:
         import inisetup