Patch merged into coreboot/master: sandybridge: provide monotonic timer function

the following patch was just integrated into master:
commit 49a8c8a3adc94c76542389b0bb3dcabec9eb7280
Author: Patrick Georgi 
Date:   Mon Jul 6 20:50:33 2015 +0200

sandybridge: provide monotonic timer function

This fixes building the ELOG_GSMI feature by using the TSC as time source for
    the flash drivers.

It's not the most precise clock, but should be good enough for the purpose.

Change-Id: I2d416c34268236228300a9e868628c35e22bf40c
    Signed-off-by: Patrick Georgi 
    Reviewed-on: http://review.coreboot.org/10813
    Tested-by: build bot (Jenkins)
    Reviewed-by: Stefan Reinauer

See http://review.coreboot.org/10813 for details.

-gerrit