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/drivers/pci/pcie_layerscape_gen4_fixup.c b/drivers/pci/pcie_layerscape_gen4_fixup.c
index da98171..b99ab0f 100644
--- a/drivers/pci/pcie_layerscape_gen4_fixup.c
+++ b/drivers/pci/pcie_layerscape_gen4_fixup.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0+ OR X11
 /*
- * Copyright 2018-2019 NXP
+ * Copyright 2018-2020 NXP
  *
  * PCIe Gen4 driver for NXP Layerscape SoCs
  * Author: Hou Zhiqiang <Minder.Hou@gmail.com>
@@ -19,6 +19,7 @@
 #include <asm/arch/clock.h>
 #endif
 #include "pcie_layerscape_gen4.h"
+#include "pcie_layerscape_fixup_common.h"
 
 #if defined(CONFIG_FSL_LSCH3) || defined(CONFIG_FSL_LSCH2)
 /*
@@ -234,7 +235,7 @@
 }
 
 /* Fixup Kernel DT for PCIe */
-void ft_pci_setup(void *blob, bd_t *bd)
+void ft_pci_setup_ls_gen4(void *blob, bd_t *bd)
 {
 	struct ls_pcie_g4 *pcie;
 
@@ -247,7 +248,7 @@
 }
 
 #else /* !CONFIG_OF_BOARD_SETUP */
-void ft_pci_setup(void *blob, bd_t *bd)
+void ft_pci_setup_ls_gen4(void *blob, bd_t *bd)
 {
 }
 #endif