src/northbridge: Remove unnecessary whitespace before "\n" and "\t"

Change-Id: I6a533667c7c8ff5ec6ab9d4e1cfc51e993a90084
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/16280
Tested-by: build bot (Jenkins)
Reviewed-by: Omar Pakker
7 files changed