Fixes below build error:
FATAL: drivers/regulator/tps65218-regulator: struct of_device_id is not terminated with a NULL entry!
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>