hwmon: (bt1-pvt) Convert to devm_platform_ioremap_resource()

Use devm_platform_ioremap_resource() to simplify code.

Signed-off-by: Yangtao Li <frank.li@vivo.com>
Link: https://lore.kernel.org/r/20230704094306.21933-1-frank.li@vivo.com


Signed-off-by: Guenter Roeck <linux@roeck-us.net>