Add newlines at the end of all coreboot files

Change-Id: I7930d5cded290f2605d0c92a9c465a3f0c1291a2
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/15974
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>

src/mainboard/asus/kgpe-d16/acpi_tables.c

@@ -106,4 +106,4 @@ unsigned long acpi_fill_ivrs_ioapic(acpi_ivrs_t* ivrs, unsigned long current)
 	current += 8;
 
 	return current;
-}
+}