driver/base/soc: Use kobj_to_dev() API

Use kobj_to_dev() API instead of container_of().

Signed-off-by: zhouchuangao <zhouchuangao@xiaomi.com>
Link: https://lore.kernel.org/r/1587878031-16591-1-git-send-email-zhouchuangao@xiaomi.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>