board: ls1088ardb: 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/ls1088a.c b/board/freescale/ls1088a/ls1088a.c
index 0bd397a..225e787 100644
--- a/board/freescale/ls1088a/ls1088a.c
+++ b/board/freescale/ls1088a/ls1088a.c
@@ -801,6 +801,11 @@
 #ifdef CONFIG_FSL_LS_PPA
 	ppa_init();
 #endif
+
+#if !defined(CONFIG_SYS_EARLY_PCI_INIT) && defined(CONFIG_DM_ETH)
+	pci_init();
+#endif
+
 	return 0;
 }