mlx5en: Fix SIOCSIFCAPNV

In 4cc5d081d8, a change was introduced that manipulated
drv_ioctl_data->reqcap using IFCAP2 bits.  This was noticed
when creating a mixed lagg with mce0 and ixl0 caused the
interfaces' txcsum caps to be disabled.

Fixes: 4cc5d081d8
Reviewed by: glebius
Sponsored by: Netflix
MFC After: 7 days

sys/dev/mlx5/mlx5_en/mlx5_en_main.c

@@ -3557,12 +3557,12 @@ siocsifcap_driver:
 			    IFCAP_TXTLS6);
 		}
 		if (!mlx5e_is_tlsrx_capable(priv->mdev)) {
-		        drv_ioctl_data->reqcap &= ~(
+		        drv_ioctl_data->reqcap2 &= ~(
 			    IFCAP2_BIT(IFCAP2_RXTLS4) |
 			    IFCAP2_BIT(IFCAP2_RXTLS6));
 		}
 		if (!mlx5e_is_ipsec_capable(priv->mdev)) {
-			drv_ioctl_data->reqcap &=
+			drv_ioctl_data->reqcap2 &=
 			    ~IFCAP2_BIT(IFCAP2_IPSEC_OFFLOAD);
 		}
 		if (!mlx5e_is_ratelimit_capable(priv->mdev)) {