net: add micrel KSZ8873MLL switch support

this will allow to detect the link between the switch and the soc

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/micrel_phy.h b/include/linux/micrel_phy.h
index de20120..adfe8c0 100644
--- a/include/linux/micrel_phy.h
+++ b/include/linux/micrel_phy.h
@@ -15,6 +15,7 @@
 
 #define MICREL_PHY_ID_MASK	0x00fffff0
 
+#define PHY_ID_KSZ8873MLL	0x000e7237
 #define PHY_ID_KSZ9021		0x00221610
 #define PHY_ID_KS8737		0x00221720
 #define PHY_ID_KSZ8021		0x00221555