From: Hauke Mehrtens <hauke@hauke-m.de>
Date: Fri, 27 Sep 2019 23:12:08 +0200
Subject: [PATCH] backports: pci: Include linux/pci-aspm.h

In upstream commit 7ce2e76a0420 linux/pci-aspm.h was removed and the
content included into pci.h. Add an include to have the functions
defined in linux/pci-aspm.h available when linux/pci.h is included.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
---

--- a/backport-include/linux/pci.h
+++ b/backport-include/linux/pci.h
@@ -3,6 +3,10 @@
 #include_next <linux/pci.h>
 #include <linux/version.h>
 
+#if LINUX_VERSION_IS_LESS(5,4,0)
+#include <linux/pci-aspm.h>
+#endif
+
 #ifndef module_pci_driver
 /**
  * module_pci_driver() - Helper macro for registering a PCI driver