Fix non-PLT text relocation introduced by CL 79466
Fix non-PLT text relocation introduced by CL 79466

One 'PLT_SYMBOL' was missed.  Breaks target tests again.

Change-Id: I67cb4c1b54f889a9935dab4a87da52ae412efb17
Signed-off-by: Mark Mendell <5bb071d19b5f52f0c911305e14ccfad9a9b022c3@intel.com>

treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst