armv8/ls2085ardb: Add eth & phy firmware loading support

Add support for board eth initialization and support for loading phy
firmware. PHY firmware needs to be loaded from board_eth_init() because
all the MACs are not initialized by ldpaa_eth driver.

Signed-off-by: pankaj chauhan <pankaj.chauhan at freescale.com>
Signed-off-by: Prabhakar Kushwaha <prabhakar at freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
diff --git a/board/freescale/ls2085ardb/Makefile b/board/freescale/ls2085ardb/Makefile
index 0bfe21c..de383cc 100644
--- a/board/freescale/ls2085ardb/Makefile
+++ b/board/freescale/ls2085ardb/Makefile
@@ -4,5 +4,5 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-obj-y += ls2085ardb.o
+obj-y += ls2085ardb.o eth_ls2085rdb.o
 obj-y += ddr.o