ieee802154: add LIST_PHY command support

Add nl802154 command to get information about PHY's present in
the system.

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
diff --git a/net/ieee802154/Makefile b/net/ieee802154/Makefile
index 69af9f6..ce2d335 100644
--- a/net/ieee802154/Makefile
+++ b/net/ieee802154/Makefile
@@ -1,5 +1,5 @@
 obj-$(CONFIG_IEEE802154) +=	ieee802154.o af_802154.o
-ieee802154-y		:= netlink.o nl-mac.o nl_policy.o wpan-class.o
+ieee802154-y		:= netlink.o nl-mac.o nl-phy.o nl_policy.o wpan-class.o
 af_802154-y		:= af_ieee802154.o raw.o dgram.o
 
 ccflags-y += -Wall -DDEBUG