Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/net/x25/x25_facilities.c b/net/x25/x25_facilities.c
index 4062075..f77e4e7 100644
--- a/net/x25/x25_facilities.c
+++ b/net/x25/x25_facilities.c
@@ -31,7 +31,7 @@
  * x25_parse_facilities - Parse facilities from skb into the facilities structs
  *
  * @skb: sk_buff to parse
- * @facilities: Regular facilites, updated as facilities are found
+ * @facilities: Regular facilities, updated as facilities are found
  * @dte_facs: ITU DTE facilities, updated as DTE facilities are found
  * @vc_fac_mask: mask is updated with all facilities found
  *