fpga: dfl: omit unneeded argument pdata from dfl_feature_instance_init()

fpga: dfl: omit unneeded argument pdata from dfl_feature_instance_init()

The argument pdata passed to dfl_feature_instance_init() was never used.

Signed-off-by: Peter Colberg <peter.colberg@intel.com>
Reviewed-by: Matthew Gerlach <matthew.gerlach@linux.intel.com>
Reviewed-by: Basheer Ahmed Muddebihal <basheer.ahmed.muddebihal@linux.intel.com>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Link: https://lore.kernel.org/r/20241120011035.230574-2-peter.colberg@intel.com
Signed-off-by: Xu Yilun <yilun.xu@linux.intel.com>