[gn build] Port 6ddf2a8

Author: llvmgnsyncbot

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

@@ -169,6 +169,7 @@ static_library("LLVMAMDGPUCodeGen") {
     "AMDGPUReplaceLDSUseWithPointer.cpp",
     "AMDGPUResourceUsageAnalysis.cpp",
     "AMDGPURewriteOutArguments.cpp",
+    "AMDGPUSetWavePriority.cpp",
     "AMDGPUSubtarget.cpp",
     "AMDGPUTargetMachine.cpp",
     "AMDGPUTargetObjectFile.cpp",