Patch merged into coreboot/master: arch/arm64: Fix compilation without CONFIG_SMP

the following patch was just integrated into master:
commit fbc45a60eb66aaee54f7496336d090c4497eb8cc
Author: Patrick Georgi 
Date:   Mon Jun 29 17:07:23 2015 +0200

arch/arm64: Fix compilation without CONFIG_SMP

Compilers aren't happy with a declaration of boot_cpu() after defining
    boot_cpu to 1.

Change-Id: I22d0db61646f3e226e5996fa94223ffbb6b760e5
    Signed-off-by: Patrick Georgi 
    Reviewed-on: http://review.coreboot.org/10696
    Tested-by: build bot (Jenkins)
    Reviewed-by: Stefan Reinauer

See http://review.coreboot.org/10696 for details.

-gerrit