Fix typo in intrinsic name in a comment. (#2719)

Signed-off-by: Marcos Maronas <marcos.maronas@intel.com>

Original commit:
KhronosGroup/SPIRV-LLVM-Translator@52ba01c7e56cf4a

Author: maarquitos14

llvm-spirv/lib/SPIRV/SPIRVWriter.cpp

@@ -4762,7 +4762,7 @@ SPIRVValue *LLVMToSPIRVBase::transIntrinsicInst(IntrinsicInst *II,
   case Intrinsic::invariant_start:
   case Intrinsic::invariant_end:
   case Intrinsic::dbg_label:
-  // llvm.trap and llvm.debug.trap intrinsics are not implemented. But for now
+  // llvm.trap and llvm.debugtrap intrinsics are not implemented. But for now
   // don't crash. This change is pending the trap/abort intrinsic
   // implementation.
   case Intrinsic::trap: