[LLD] [COFF] Fix option name references in Config.h. NFC.

These options have been named /lldltocache: and
/lldltocachepolicy: since they were added in
052e855e2bea78dcfbb2807acee829b56d56a729; the comment was
wrong from the original commit.

GitOrigin-RevId: 7a05c0931f1a0ade9abc447c872a3cc7c8a37dd1
diff --git a/COFF/Config.h b/COFF/Config.h
index 48c48ce..018f03b 100644
--- a/COFF/Config.h
+++ b/COFF/Config.h
@@ -186,9 +186,9 @@
   // Used for /opt:lldltopartitions=N
   unsigned ltoPartitions = 1;
 
-  // Used for /opt:lldltocache=path
+  // Used for /lldltocache=path
   StringRef ltoCache;
-  // Used for /opt:lldltocachepolicy=policy
+  // Used for /lldltocachepolicy=policy
   llvm::CachePruningPolicy ltoCachePolicy;
 
   // Used for /opt:[no]ltodebugpassmanager