pinctrl: intel: Add definitions to all possible biases

Add definitions to all possible biases, i.e. add ~800 Ohms,
~952 Ohms, ~4 kOhms.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>