superio/fintek/Kconfig: add newline at end of file.

Kconfig sometimes fails to parse the last line of a file if there's
no newline at the end.  Add one to be safe.

Change-Id: Ia9973a89b12596e1f2a2741ad2e255e886495331
Signed-off-by: Martin Roth <gaumless@gmail.com>
Reviewed-on: http://review.coreboot.org/10614
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

src/superio/fintek/Kconfig

@@ -57,4 +57,4 @@ config SUPERIO_FINTEK_F81865F
 
 config SUPERIO_FINTEK_F81866D
 	bool
-	select SUPERIO_FINTEK_COMMON_ROMSTAGE
+	select SUPERIO_FINTEK_COMMON_ROMSTAGE