hwmon: (mc34vr500) Add missing dependency on REGMAP_I2C

[ Upstream commit 56c77c0f ]

This driver requires REGMAP_I2C to be selected in order to get access to
regmap_config and devm_regmap_init_i2c. Add the missing dependency.

Fixes: 07830d9a ("hwmon: add initial NXP MC34VR500 PMIC monitoring support")
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Message-ID: <20241002-mc34vr500-select-regmap_i2c-v1-1-a01875d0a2e5@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>