Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/net/dsa/mv88e6131.c b/net/dsa/mv88e6131.c
index bb2b41b..d951f93 100644
--- a/net/dsa/mv88e6131.c
+++ b/net/dsa/mv88e6131.c
@@ -124,7 +124,7 @@
 	 * Ignore removed tag data on doubly tagged packets, disable
 	 * flow control messages, force flow control priority to the
 	 * highest, and send all special multicast frames to the CPU
-	 * port at the higest priority.
+	 * port at the highest priority.
 	 */
 	REG_WRITE(REG_GLOBAL2, 0x05, 0x00ff);