pci: Drop dm.h inclusion from header file

The layerscape header should not include dm.h so remove it.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/pci/pcie_layerscape.h b/drivers/pci/pcie_layerscape.h
index 593798e..0124e8e 100644
--- a/drivers/pci/pcie_layerscape.h
+++ b/drivers/pci/pcie_layerscape.h
@@ -8,7 +8,7 @@
 #ifndef _PCIE_LAYERSCAPE_H_
 #define _PCIE_LAYERSCAPE_H_
 #include <pci.h>
-#include <dm.h>
+
 #include <linux/sizes.h>
 
 #ifndef CONFIG_SYS_PCI_MEMORY_BUS
diff --git a/drivers/pci/pcie_layerscape_fixup.c b/drivers/pci/pcie_layerscape_fixup.c
index 94de4ed..8315b0b 100644
--- a/drivers/pci/pcie_layerscape_fixup.c
+++ b/drivers/pci/pcie_layerscape_fixup.c
@@ -6,6 +6,7 @@
  */
 
 #include <common.h>
+#include <dm.h>
 #include <init.h>
 #include <log.h>
 #include <pci.h>
diff --git a/drivers/pci/pcie_layerscape_gen4.h b/drivers/pci/pcie_layerscape_gen4.h
index d298a2b..483eb53 100644
--- a/drivers/pci/pcie_layerscape_gen4.h
+++ b/drivers/pci/pcie_layerscape_gen4.h
@@ -9,7 +9,6 @@
 #ifndef _PCIE_LAYERSCAPE_GEN4_H_
 #define _PCIE_LAYERSCAPE_GEN4_H_
 #include <pci.h>
-#include <dm.h>
 #include <linux/bitops.h>
 
 #ifndef CONFIG_SYS_PCI_MEMORY_SIZE
diff --git a/drivers/pci/pcie_layerscape_gen4_fixup.c b/drivers/pci/pcie_layerscape_gen4_fixup.c
index 375ce45..148b5d1 100644
--- a/drivers/pci/pcie_layerscape_gen4_fixup.c
+++ b/drivers/pci/pcie_layerscape_gen4_fixup.c
@@ -8,6 +8,7 @@
  */
 
 #include <common.h>
+#include <dm.h>
 #include <log.h>
 #include <pci.h>
 #include <asm/arch/fsl_serdes.h>