bitbake: progress: Fix typo "wherever"

(Bitbake rev: bb43be9b8b10b7d799436790e9bce0ef3df4aa6d)

Signed-off-by: Zygmunt Krynicki <zygmunt.krynicki@huawei.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/bb/progress.py

@@ -148,7 +148,7 @@ class MultiStageProgressReporter:
     for tasks made up of python code spread across multiple
     classes / functions - the progress reporter object can
     be passed around or stored at the object level and calls
-    to next_stage() and update() made whereever needed.
+    to next_stage() and update() made wherever needed.
     """
     def __init__(self, d, stage_weights, debug=False):
         """