configs: P2020RDB: Enable PCIe driver

Enable the DM PCIe driver in P2020RDB defconfig.

Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>
diff --git a/configs/P2020RDB-PC_36BIT_SDCARD_defconfig b/configs/P2020RDB-PC_36BIT_SDCARD_defconfig
index 0c2bcb3..49a7c80 100644
--- a/configs/P2020RDB-PC_36BIT_SDCARD_defconfig
+++ b/configs/P2020RDB-PC_36BIT_SDCARD_defconfig
@@ -58,6 +58,10 @@
 CONFIG_PHY_MARVELL=y
 CONFIG_PHY_GIGE=y
 CONFIG_E1000=y
+CONFIG_DM=y
+CONFIG_DM_PCI=y
+CONFIG_DM_PCI_COMPAT=y
+CONFIG_PCIE_FSL=y
 CONFIG_MII=y
 CONFIG_TSEC_ENET=y
 CONFIG_SYS_NS16550=y