pinctrl: intel: fetch community only when we need it

We check community features only in case PIN_CONFIG_BIAS_PULL_DOWN while
setting/getting pad termination. No need to fetch the community otherwise.

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