sfc: Move the current VF state from efx_nic into siena_nic_data

This patch series provides a base and cleanup for the
upcoming EF10 SRIOV support.

This patch moves the VF state into siena_nic_data as a basis to
save the VF state based on nic type.

Signed-off-by: Shradha Shah <sshah@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/sfc/siena.c b/drivers/net/ethernet/sfc/siena.c
index ae69685..ffce06d 100644
--- a/drivers/net/ethernet/sfc/siena.c
+++ b/drivers/net/ethernet/sfc/siena.c
@@ -251,6 +251,7 @@
 	nic_data = kzalloc(sizeof(struct siena_nic_data), GFP_KERNEL);
 	if (!nic_data)
 		return -ENOMEM;
+	nic_data->efx = efx;
 	efx->nic_data = nic_data;
 
 	if (efx_farch_fpga_ver(efx) != 0) {