Patch merged into coreboot/master: cpu/amd/car/post_cache_as_ram: Avoid trailing spaces

the following patch was just integrated into master:
commit 42b6265035a58bae254b701ec2a8fcc7d1ebb4a2
Author: Paul Menzel 
Date:   Sat Nov 7 09:15:06 2015 +0100

cpu/amd/car/post_cache_as_ram: Avoid trailing spaces

Looking at the coreboot console logs there are sometimes trailing
    whitespaces in the output, for example, if writing `Done` was not
    possible.

Adapt the code, that spaces are only added when needed.

Change-Id: Ia0af493ab62b6fab24e8a2629cf5fd67329e0af7
    Signed-off-by: Paul Menzel 
    Reviewed-on: http://review.coreboot.org/12357
    Tested-by: build bot (Jenkins)
    Reviewed-by: Martin Roth

See http://review.coreboot.org/12357 for details.

-gerrit