test 704: align output on SMMU v2
test 704: align output on SMMU v2

Was:

 703 : SMMU Compatibility Check          : Result:  PASS
 704 : If PCIe, Check Stall model
       Not valid for SMMU v2           : Result:  -SKIPPED- 1
 705 : SMMUv2 unique intr per ctxt bank  : Result:  PASS

ARM-software/sbsa-acs,ARM-software/sbsa-acs