pci: layerscape: Common device tree fixup for NXP SoCs

Add Common device tree fixup for NXP SoCs. Based on
SoC and revision call pcie_layerscape or pcie_layerscape_gen4
fixup.

Signed-off-by: Wasim Khan <wasim.khan@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
diff --git a/configs/lx2160aqds_tfa_defconfig b/configs/lx2160aqds_tfa_defconfig
index ad81561..d0783cb 100644
--- a/configs/lx2160aqds_tfa_defconfig
+++ b/configs/lx2160aqds_tfa_defconfig
@@ -57,6 +57,7 @@
 CONFIG_DM_PCI=y
 CONFIG_DM_PCI_COMPAT=y
 CONFIG_PCIE_LAYERSCAPE_GEN4=y
+CONFIG_PCIE_LAYERSCAPE=y
 CONFIG_DM_RTC=y
 CONFIG_RTC_PCF2127=y
 CONFIG_DM_SCSI=y