docs: fix references to uhashlib

docs/library/hashlib.rst

@@ -1,9 +1,9 @@
-:mod:`uhashlib` -- hashing algorithms
+:mod:`hashlib` -- hashing algorithms
 =====================================
 
 .. include:: ../templates/unsupported_in_circuitpython.inc
 
-.. module:: uhashlib
+.. module:: hashlib
    :synopsis: hashing algorithms
 
 |see_cpython_module| :mod:`cpython:hashlib`.
@@ -29,15 +29,15 @@ be implemented:
 Constructors
 ------------
 
-.. class:: uhashlib.sha256([data])
+.. class:: hashlib.sha256([data])
 
     Create an SHA256 hasher object and optionally feed ``data`` into it.
 
-.. class:: uhashlib.sha1([data])
+.. class:: hashlib.sha1([data])
 
     Create an SHA1 hasher object and optionally feed ``data`` into it.
 
-.. class:: uhashlib.md5([data])
+.. class:: hashlib.md5([data])
 
     Create an MD5 hasher object and optionally feed ``data`` into it.
 

docs/library/index.rst

@@ -23,7 +23,7 @@ Python standard libraries and micro-libraries
    binascii.rst
    ucollections.rst
    uerrno.rst
-   uhashlib.rst
+   hashlib.rst
    uheapq.rst
    uio.rst
    ujson.rst

shared-bindings/index.rst

@@ -29,6 +29,7 @@ Module             Supported Ports
 `busio`            **All Supported**
 `digitalio`        **All Supported**
 `gamepad`          **SAMD Express, nRF**
+`hashlib`          **ESP8266**
 `math`             **All Supported**
 `microcontroller`  **All Supported**
 `multiterminal`    **ESP8266**