power: bq24257: Simplify bq24257_power_supply_init()
power: bq24257: Simplify bq24257_power_supply_init()

Eliminate a few lines of code by using the PTR_ERR_OR_ZERO() macro.

Signed-off-by: Andreas Dannenberg <84d4875fd10184ec696f28e84dbdb81d018931d5@ti.com>
Reviewed-by: Krzysztof Kozlowski <1a8531307367602b8284517edb33d53d54e5ce8e@samsung.com>
Signed-off-by: Sebastian Reichel <1ea78bda3cb6d36efdb8fc89aad6555e21b4887e@kernel.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs