Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/drivers/staging/speakup/spkguide.txt b/drivers/staging/speakup/spkguide.txt
index 24362eb..f321057 100644
--- a/drivers/staging/speakup/spkguide.txt
+++ b/drivers/staging/speakup/spkguide.txt
@@ -1091,7 +1091,7 @@
 
 There is no way to save these window settings, and you can only have one
 window defined for each virtual console.  There is also no way to have
-windows automaticly defined for specific applications.
+windows automatically defined for specific applications.
 
 In order to define a window, use the review keys to move your reading
 cursor to the beginning of the area you want to define.  Then press