sb/intel/bd82x6x: Move pcie ACPI code to a common place

Change-Id: I45144f9c397ff9a0be011990ba33db9ffef351e7
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/30527
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-by: Tristan Corrick <tristan@corrick.kiwi>

src/southbridge/intel/bd82x6x/acpi/pch.asl

@@ -238,7 +238,7 @@ Scope(\)
 #include "audio.asl"
 
 // PCI Express Ports 0:1c.x
-#include "pcie.asl"
+#include <southbridge/intel/common/acpi/pcie.asl>
 
 // USB EHCI 0:1d.0 and 0:1a.0, XHCI 0:14.0
 #include "usb.asl"