[Driver][SYCL] Fix arguments associated with -ftarget-compile-fast (#9302)

Update the arguments used when passing to 'ocloc' with
-ftarget-compile-fast. Original syntax was not quite correct.

Author: mdtoguchi

clang/lib/Driver/ToolChains/SYCL.cpp

@@ -984,8 +984,7 @@ void SYCLToolChain::AddImpliedTargetArgs(const llvm::Triple &Triple,
     }
     // -ftarget-compile-fast
     if (Args.hasArg(options::OPT_ftarget_compile_fast)) {
-      BeArgs.push_back(
-          "\"-igc_opts PartitionUnit=1,SubroutineThreshold=50000\"");
+      BeArgs.push_back("-igc_opts 'PartitionUnit=1,SubroutineThreshold=50000'");
     }
   }
   if (BeArgs.empty())

clang/test/Driver/ftarget-compile-fast.cpp

@@ -8,4 +8,4 @@
 // RUN:   | FileCheck -check-prefix=TARGET_COMPILE_FAST_GEN %s
 
 // TARGET_COMPILE_FAST_GEN: ocloc{{.*}} "-output"
-// TARGET_COMPILE_FAST_GEN: "-options" "{{.*}}-igc_opts PartitionUnit=1,SubroutineThreshold=50000{{.*}}"
+// TARGET_COMPILE_FAST_GEN: "-options" "-igc_opts 'PartitionUnit=1,SubroutineThreshold=50000'"