ieee802154: fix typo for file name

Signed-off-by: Varka Bhadram <varkab@cdac.in>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

net/ieee802154/trace.h

@@ -1,4 +1,4 @@
-/* Based on net/wireless/tracing.h */
+/* Based on net/wireless/trace.h */
 
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM cfg802154