pinctrl: merrifield: Adapt to Intel Tangier driver

Make use of Intel Tangier as a library driver for Merrifield.

Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Link: https://lore.kernel.org/r/20230814054033.12004-3-raag.jadav@intel.com


Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>