superio/fintek/*: Fix header style

Remove some redundant includes. Fix repetitiveness in include guards and
strip some misplaced tabs for whitespaces.

Change-Id: I1f0bf6951cc6714f63e88b323754515fb02c089c
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-on: http://review.coreboot.org/5572
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
10 files changed