A NULL init_data once incremented will lead to oops, fix it.
Fixes: f979c08f7624 ("regulator: tps6507x: Convert to regulator core's simplified DT parsing code") Reported-by: Sekhar Nori <[email protected]> Signed-off-by: Axel Lin <[email protected]> Tested-by: Sekhar Nori <[email protected]> Signed-off-by: Mark Brown <[email protected]>