net/mlx5: Fix wrong indentation in enable SRIOV code

Smatch is screaming:

drivers/net/ethernet/mellanox/mlx5/core/sriov.c:112
	mlx5_device_enable_sriov() warn: inconsistent indenting

fix that.

Fixes: 7ecf6d8f ('IB/mlx5: Restore IB guid/policy for virtual functions')
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>