ice: fix incorrect dev_dbg print mistaking 'i' for vf->vf_id

If we fail to clear the malicious VF indication after a VF reset, the
dev_dbg message which is printed uses the local variable 'i' when it
meant to use vf->vf_id. Fix this.

Fixes: 0891c896 ("ice: warn about potentially malicious VFs")
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>