Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/net/irda/irqueue.c b/net/irda/irqueue.c
index 849aaf0..9715e6e 100644
--- a/net/irda/irqueue.c
+++ b/net/irda/irqueue.c
@@ -40,7 +40,7 @@
  *	o the hash function for ints is pathetic (but could be changed)
  *	o locking is sometime suspicious (especially during enumeration)
  *	o most users have only a few elements (== overhead)
- *	o most users never use seach, so don't benefit from hashing
+ *	o most users never use search, so don't benefit from hashing
  * Problem already fixed :
  *	o not 64 bit compliant (most users do hashv = (int) self)
  *	o hashbin_remove() is broken => use hashbin_remove_this()