Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/include/linux/socket.h b/include/linux/socket.h
index edbb1d0..d2b5e98 100644
--- a/include/linux/socket.h
+++ b/include/linux/socket.h
@@ -88,7 +88,7 @@
 };
 
 /*
- *	Ancilliary data object information MACROS
+ *	Ancillary data object information MACROS
  *	Table 5-14 of POSIX 1003.1g
  */