test-suite: don't link to papi in aarch64 tau test
unset OMP_NUM_THREADS
export OMP_NUM_THREADS=10
-tau_exec -XrunTAUsh-callpath-param-papi-pdt-openmp-opari-profile-trace ./C_omp_test
+if [ "x$ARCH" == "xx86_64" ];then
+ lib=callpath-param-papi-pdt-openmp-opari-profile-trace
+else
+ lib=callpath-param-pdt-openmp-opari-profile-trace
+fi
+tau_exec -XrunTAUsh-$lib ./C_omp_test
