[PATCH] PCI/ACPI: Update link to PCI firmware specification

[Mario Limonciello]

The previous link to the PCI firmware specification in the comments
for drivers/pci/pci-acpi.c no longer works.  Update the comment
to a current link to this specification.

Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx>
---
 drivers/pci/pci-acpi.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c
index 3760d85c10d2..a46fec776ad7 100644
--- a/drivers/pci/pci-acpi.c
+++ b/drivers/pci/pci-acpi.c
@@ -21,8 +21,9 @@
 #include "pci.h"
 
 /*
- * The GUID is defined in the PCI Firmware Specification available here:
- * https://www.pcisig.com/members/downloads/pcifw_r3_1_13Dec10.pdf
+ * The GUID is defined in the PCI Firmware Specification available
+ * here to PCI-SIG members:
+ * https://members.pcisig.com/wg/PCI-SIG/document/15350
  */
 const guid_t pci_acpi_dsm_guid =
 	GUID_INIT(0xe5c937d0, 0x3553, 0x4d7a,
-- 
2.34.1