ieee802154: merge nl802154 and wpan-class in single module

There is no real need to have ieee802154 interfaces separate
into several small modules, as neither of them has it's own use.

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
diff --git a/net/ieee802154/Makefile b/net/ieee802154/Makefile
index 4068a9f..42b1f0d 100644
--- a/net/ieee802154/Makefile
+++ b/net/ieee802154/Makefile
@@ -1,5 +1,5 @@
-obj-$(CONFIG_IEEE802154) +=	nl802154.o af_802154.o wpan-class.o
-nl802154-y		:= netlink.o nl_policy.o
+obj-$(CONFIG_IEEE802154) +=	ieee802154.o af_802154.o
+ieee802154-y		:= netlink.o nl_policy.o wpan-class.o
 af_802154-y		:= af_ieee802154.o raw.o dgram.o
 
 ccflags-y += -Wall -DDEBUG