sfc: Change type of efx_nic::nic_data to struct falcon_nic_data *

	/* Allocate storage for hardware specific data */

	nic_data = kzalloc(sizeof(*nic_data), GFP_KERNEL);

	efx->nic_data = (void *) nic_data;

	efx->nic_data = nic_data;

	/* Determine number of ports etc. */

	rc = falcon_probe_nic_variant(efx);

 */

int falcon_init_nic(struct efx_nic *efx)

{

	struct falcon_nic_data *data;

	efx_oword_t temp;

	unsigned thresh;

	int rc;

	data = (struct falcon_nic_data *)efx->nic_data;

	/* Set up the address region register. This is only needed

	 * for the B0 FPGA, but since we are just pushing in the

	 * reset defaults this may as well be unconditional. */

	unsigned n_rx_nodesc_drop_cnt;

	void *nic_data;

	struct falcon_nic_data *nic_data;

	struct mutex mac_lock;

	int port_enabled;