[SYCL][Driver] Fix sycl_esimd option (#3313)

The SYCL option did not set correctly and was lost during pulldown
conflict here: a52d3d3

This patch replaces OptInFFlag with BoolFOption ans sets the option correctly.

Signed-off-by: Soumi Manna <[email protected]>

Author: smanna12

clang/include/clang/Driver/Options.td

@@ -4296,7 +4296,10 @@ def sycl_std_EQ : Joined<["-"], "sycl-std=">, Group<sycl_Group>, Flags<[CC1Optio
   HelpText<"SYCL language standard to compile for.">, Values<"2020,2017,121,1.2.1,sycl-1.2.1">,
   NormalizedValues<["SYCL_2020", "SYCL_2017", "SYCL_2017", "SYCL_2017", "SYCL_2017"]>, NormalizedValuesScope<"LangOptions">,
   MarshallingInfoString<LangOpts<"SYCLVersion">, "SYCL_None">, ShouldParseIf<fsycl.KeyPath>, AutoNormalizeEnum;
-defm sycl_esimd: OptInFFlag<"sycl-explicit-simd", "Enable", "Disable", " SYCL explicit SIMD extension.", [CC1Option,CoreOption], LangOpts<"SYCLExplicitSIMD">>;
+defm sycl_esimd: BoolFOption<"sycl-explicit-simd",
+  LangOpts<"SYCLExplicitSIMD">, DefaultFalse,
+  PosFlag<SetTrue, [CC1Option], "Enable">, NegFlag<SetFalse, [], "Disable">,
+  BothFlags<[NoArgumentUnused, CoreOption], " SYCL explicit SIMD extension.">>;
 defm sycl_early_optimizations : OptOutFFlag<"sycl-early-optimizations", "Enable", "Disable", " standard optimization pipeline for SYCL device compiler", [CoreOption]>;
 def fsycl_dead_args_optimization : Flag<["-"], "fsycl-dead-args-optimization">,
   Group<sycl_Group>, Flags<[NoArgumentUnused, CoreOption]>, HelpText<"Enables "