Patch merged into coreboot/master: acpi_device: Have acpi_device_scope() use a separate buffer

the following patch was just integrated into master:
commit d02685b053d4597c498afd9baf4f2b6dc82e00d5
Author: Duncan Laurie 
Date:   Thu Jun 30 14:37:37 2016 -0700

acpi_device: Have acpi_device_scope() use a separate buffer

Have the different acpi_device_ path functions use a different static
    buffer so they can be called interchangeably.

Change-Id: I270a80f66880861d5847bd586a16a73f8f1e2511
    Signed-off-by: Duncan Laurie 
    Reviewed-on: https://review.coreboot.org/15521
    Tested-by: build bot (Jenkins)
    Reviewed-by: Aaron Durbin 
    Reviewed-by: Paul Menzel

See https://review.coreboot.org/15521 for details.

-gerrit