src/device: Remove unnecessary whitespace before newline

Change-Id: I3536a99a1a6fd2bc7b10777654c1937b92e8eacd
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/16288
Tested-by: build bot (Jenkins)
Reviewed-by: Omar Pakker
6 files changed