power: supply: axp288_charger: Simplify returns of dev_err_probe()

power: supply: axp288_charger: Simplify returns of dev_err_probe()

One of benefits of dev_err_probe() is that it returns the error value
greatly simplifying the error paths (e.g. three lines -> one line).

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Reviewed-by: Hans de Goede <johannes.goede@oss.qualcomm.com>
Reviewed-by: Chen-Yu Tsai <wens@kernel.org>
Link: https://patch.msgid.link/20260220174938.672883-6-krzysztof.kozlowski@oss.qualcomm.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>