superio: Trivial - drop trailing blank lines at EOF

Change-Id: I8633d331d095fe9506a8f01969060ba9889c8eac
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-on: http://review.coreboot.org/6202
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
7 files changed