[gn build] Port 0065343

Author: llvmgnsyncbot

llvm/utils/gn/secondary/llvm/lib/Target/NVPTX/BUILD.gn

@@ -34,6 +34,7 @@ static_library("LLVMNVPTXCodeGen") {
     "NVPTXAssignValidGlobalNames.cpp",
     "NVPTXAtomicLower.cpp",
     "NVPTXCtorDtorLowering.cpp",
+    "NVPTXForwardParams.cpp",
     "NVPTXFrameLowering.cpp",
     "NVPTXGenericToNVVM.cpp",
     "NVPTXISelDAGToDAG.cpp",