board: ls1088aqds: transition to DM_ETH

In case CONFIG_DM_ETH is enabled, no hardcoding is necessary for DPAA2
Ethernet devices. Compile out any unnecessary setup when CONFIG_DM_ETH
is activated.  Also, force the PCI devices to be enumerated at probe
time.

Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
diff --git a/board/freescale/ls1088a/eth_ls1088aqds.c b/board/freescale/ls1088a/eth_ls1088aqds.c
index c0bcf71..7456f67 100644
--- a/board/freescale/ls1088a/eth_ls1088aqds.c
+++ b/board/freescale/ls1088a/eth_ls1088aqds.c
@@ -24,6 +24,7 @@
 
 #include "ls1088a_qixis.h"
 
+#ifndef CONFIG_DM_ETH
 #ifdef CONFIG_FSL_MC_ENET
 
 #define SFP_TX		0
@@ -735,6 +736,7 @@
 	error = pci_eth_init(bis);
 	return error;
 }
+#endif // !CONFIG_DM_ETH
 
 #if defined(CONFIG_RESET_PHY_R)
 void reset_phy(void)