Frontend: Fix typos in -enable-cmo-* option definitions.

Author: tshortli

include/swift/Option/Options.td

@@ -1020,11 +1020,11 @@ def PackageCMO : Flag<["-"], "package-cmo">,
   Flags<[FrontendOption]>,
   HelpText<"Enable optimization to perform defalut CMO within a package boundary">;
 
-def EnbaleDefaultCMO : Flag<["-"], "enable-default-cmo">,
+def EnableDefaultCMO : Flag<["-"], "enable-default-cmo">,
   Flags<[HelpHidden, FrontendOption]>,
   HelpText<"Perform conservative cross-module optimization">;
 
-def EnbaleCMOEverything : Flag<["-"], "enable-cmo-everything">,
+def EnableCMOEverything : Flag<["-"], "enable-cmo-everything">,
   Flags<[HelpHidden, FrontendOption]>,
   HelpText<"Perform cross-module optimization on everything (all APIs). "
            "This is the same level of serialization as Embedded Swift.">;

lib/Frontend/CompilerInvocation.cpp

@@ -2603,9 +2603,9 @@ static bool ParseSILArgs(SILOptions &Opts, ArgList &Args,
   Opts.DisableSILPerfOptimizations |= Args.hasArg(OPT_disable_sil_perf_optzns);
   if (Args.hasArg(OPT_CrossModuleOptimization)) {
     Opts.CMOMode = CrossModuleOptimizationMode::Aggressive;
-  } else if (Args.hasArg(OPT_EnbaleDefaultCMO)) {
-    Opts.CMOMode = CrossModuleOptimizationMode::Default;  
-  } else if (Args.hasArg(OPT_EnbaleCMOEverything)) {
+  } else if (Args.hasArg(OPT_EnableDefaultCMO)) {
+    Opts.CMOMode = CrossModuleOptimizationMode::Default;
+  } else if (Args.hasArg(OPT_EnableCMOEverything)) {
     Opts.CMOMode = CrossModuleOptimizationMode::Everything;
   }