cpu/*: Add whitespace around '<<'

Change-Id: Id46c0b57bd7c9b954b29537c70254df947690e0b
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/20397
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
14 files changed