Patch merged into coreboot/master: libpayload: Get current tick from high register in generic timer

the following patch was just integrated into master:
commit 35562d8b6477058e6bca31b5cedd9d4897124fc7
Author: Paul Kocialkowski 
Date:   Mon Dec 19 19:22:39 2016 +0100

libpayload: Get current tick from high register in generic timer

This fixes the generic timer driver to get the current tick from the
    high register, so that comparison with the high count value (obtained
    previously from the same register) has a chance to succeed.

Change-Id: I5ce02bfa15a91ad34641b8e24813a5b7ca790ec3
    Signed-off-by: Paul Kocialkowski 
    Reviewed-on: https://review.coreboot.org/17929
    Tested-by: build bot (Jenkins)
    Reviewed-by: Nico Huber 
    Reviewed-by: Paul Menzel

See https://review.coreboot.org/17929 for details.

-gerrit