Basin Cove PMIC is connected to I2C0 bus which is hidden from the OS and access is going via SCU device, enumerated via PCI. For now, we add just a minimum support of PMIC device to allow enabling, e.g. USB OTG, in the OS. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Bin Meng <bmeng.cn@gmail.com>