Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/Documentation/filesystems/configfs/configfs.txt b/Documentation/filesystems/configfs/configfs.txt
index fabcb0e..dd57bb6 100644
--- a/Documentation/filesystems/configfs/configfs.txt
+++ b/Documentation/filesystems/configfs/configfs.txt
@@ -409,7 +409,7 @@
 rmdir(2).  They also are not considered when rmdir(2) on the parent
 group is checking for children.
 
-[Dependant Subsystems]
+[Dependent Subsystems]
 
 Sometimes other drivers depend on particular configfs items.  For
 example, ocfs2 mounts depend on a heartbeat region item.  If that