CMPLRTST-13848: Set timeout to 1800s for tests in llvm_test_suite_sycl on PVC

Author: yuxianch

llvm_test_suite_sycl.pl

@@ -190,7 +190,7 @@ sub do_run
           $matrix = "-Dmatrix=1";
           $jobset = "";
         } elsif ($current_gpu =~ m/pvc/) {
-          $timeset = "--timeout 1200";
+          $timeset = "--timeout 1800";
           $jobset = "";
         }
       }