Patch merged into coreboot/master: amd/pi/Makefile: Remove cp option '-u'

the following patch was just integrated into master:
commit aeb2103ab5184d46dc315f616acbf521f3aa1ab4
Author: zbao 
Date:   Fri Sep 11 09:11:49 2015 -0400

amd/pi/Makefile: Remove cp option '-u'

"-u" is only for GNU cp. Cp of BSD and Solaris don't
    take this option.

It is not necessary to compare the files before copying.

Change-Id: I60cf57991275db0e075278f77a95ca5b8b941c7f
    Signed-off-by: Zheng Bao 
    Signed-off-by: Zheng Bao 
    Reviewed-on: http://review.coreboot.org/11601
    Tested-by: build bot (Jenkins)
    Reviewed-by: Patrick Georgi

See http://review.coreboot.org/11601 for details.

-gerrit