armv8/ls1043ardb: Add nand boot support

Signed-off-by: Gong Qianyu <Qianyu.Gong@freescale.com>
Signed-off-by: Hou Zhiqiang <B48286@freescale.com>
Signed-off-by: Shaohui Xie <Shaohui.Xie@freescale.com>
Signed-off-by: Mingkai Hu <Mingkai.Hu@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
diff --git a/board/freescale/ls1043ardb/ls1043ardb_rcw_nand.cfg b/board/freescale/ls1043ardb/ls1043ardb_rcw_nand.cfg
new file mode 100644
index 0000000..935ffc0
--- /dev/null
+++ b/board/freescale/ls1043ardb/ls1043ardb_rcw_nand.cfg
@@ -0,0 +1,7 @@
+#PBL preamble and RCW header
+aa55aa55 01ee0100
+# serdes protocol
+0810000f 0c000000 00000000 00000000
+14550002 80004012 e0106000 61002000
+00000000 00000000 00000000 00038800
+00000000 00001100 00000096 00000001