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 <paulepanter@users.sourceforge.net>
Reviewed-on: http://review.coreboot.org/12357
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>

0 files changed, 0 insertions, 0 deletions