armv8: ls1043ardb: Make NET independent of FMan

This allows using PCIe NIC without enabling DPAA FMan.

Signed-off-by: York Sun <york.sun@nxp.com>
CC: Mingkai Hu <mingkai.hu@nxp.com>
Acked-by: Mingkai Hu <mingkai.hu@nxp.com>
diff --git a/board/freescale/ls1043ardb/Makefile b/board/freescale/ls1043ardb/Makefile
index 2a4452e..930c690 100644
--- a/board/freescale/ls1043ardb/Makefile
+++ b/board/freescale/ls1043ardb/Makefile
@@ -7,6 +7,6 @@
 obj-y += ddr.o
 obj-y += ls1043ardb.o
 ifndef CONFIG_SPL_BUILD
-obj-$(CONFIG_SYS_DPAA_FMAN) += eth.o
+obj-$(CONFIG_NET) += eth.o
 obj-y += cpld.o
 endif