Patch merged into coreboot/master: 5f5d914 Add function to encode device path into integer

the following patch was just integrated into master:
commit 5f5d914876218b106917a12c181b5b3f79264955
Author: Duncan Laurie 
Date:   Mon Jun 10 09:59:17 2013 -0700

Add function to encode device path into integer

This function will encode the device path into 3
    bytes of a dword which can be saved for debug.

It will be used by subsequent commit to store the
    current device into CMOS for debugging BIOS hangs.

Change-Id: I3a5155ea53c8d280806e610a0f8998dbabe15f3c
    Signed-off-by: Duncan Laurie 
    Reviewed-on: https://gerrit.chromium.org/gerrit/58103
    Reviewed-by: Aaron Durbin 
    Reviewed-on: http://review.coreboot.org/4228
    Tested-by: build bot (Jenkins)
    Reviewed-by: Alexandru Gagniuc

See http://review.coreboot.org/4228 for details.

-gerrit