[SYCL] Update the OFK_SYCL value after 6cfec29 (#29086)

6cfec29 updated OFK_SYCL to be 0x8.
We hardcoded in compiler.hpp to avoid include the header,
we should update it to 0x8 as well, or else IsNewOffloadEntryType will
return wrong value causing SEGV.

Author: jsji

sycl/source/detail/compiler.hpp

@@ -118,14 +118,15 @@ struct _sycl_offload_entry_struct {
   inline bool IsNewOffloadEntryType() {
     // Assume this is the new version of the struct.
     auto newStruct = reinterpret_cast<sycl_offload_entry_new>(this);
-
+    // See llvm/include/llvm/Object/OffloadBinary.h
+    // #define OFK_SYCL  (1 << 3)
     // Check if first 64 bits is equal to 0, next 16 bits is equal to 1, next 16
-    // bits is equal to 4 (OK_SYCL), and check if Flags are zero. If all these
+    // bits is equal to 8 (OFK_SYCL), and check if Flags are zero. If all these
     // conditions are met, then this is a newer version of the struct.
     // We can not just rely on checking the first 64 bits, because even for the
     // older version of the struct, the first 64 bits (void* addr) are zero.
     return newStruct->Reserved == 0 && newStruct->Version == 1 &&
-           newStruct->Kind == 4 && newStruct->Flags == 0;
+           newStruct->Kind == 8 && newStruct->Flags == 0;
   }
 
   // Name is the only field that's used in SYCL.