amd/agesa/family12/dimmSpd.c: Indent (tab) fix

Trivial; Use tab over space for indent. Clean up some ASCII art
while here.

Change-Id: Id2478d140a98596c5eeefdf5b047c1ca23203909
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-on: https://review.coreboot.org/8016
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
1 file changed