[gn build] Port 028d41d

Author: llvmgnsyncbot

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

@@ -68,6 +68,7 @@ static_library("LLVMHexagonCodeGen") {
     "HexagonISelLowering.cpp",
     "HexagonISelLoweringHVX.cpp",
     "HexagonInstrInfo.cpp",
+    "HexagonLoadStoreWidening.cpp",
     "HexagonLoopAlign.cpp",
     "HexagonLoopIdiomRecognition.cpp",
     "HexagonMCInstLower.cpp",
@@ -83,7 +84,6 @@ static_library("LLVMHexagonCodeGen") {
     "HexagonSelectionDAGInfo.cpp",
     "HexagonSplitConst32AndConst64.cpp",
     "HexagonSplitDouble.cpp",
-    "HexagonStoreWidening.cpp",
     "HexagonSubtarget.cpp",
     "HexagonTargetMachine.cpp",
     "HexagonTargetObjectFile.cpp",