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/irlap.c b/net/irda/irlap.c
index 783c5f3..005b424 100644
--- a/net/irda/irlap.c
+++ b/net/irda/irlap.c
@@ -165,7 +165,7 @@
 
 	irlap_apply_default_connection_parameters(self);
 
-	self->N3 = 3; /* # connections attemts to try before giving up */
+	self->N3 = 3; /* # connections attempts to try before giving up */
 
 	self->state = LAP_NDM;