[gn] port 54d0cf5 more

The commit already updated the flags passed to tblgen,
so this here only needs to update the file lists.

Author: nico

llvm/utils/gn/secondary/llvm/utils/TableGen/BUILD.gn

@@ -56,10 +56,9 @@ executable("llvm-tblgen") {
     "DisassemblerEmitter.cpp",
     "ExegesisEmitter.cpp",
     "FastISelEmitter.cpp",
-    "GICombinerEmitter.cpp",
     "GlobalISelEmitter.cpp",
     "GlobalISelMatchTable.cpp",
-    "GlobalISelCombinerMatchTableEmitter.cpp",
+    "GlobalISelCombinerEmitter.cpp",
     "GlobalISelMatchTableExecutorEmitter.cpp",
     "InfoByHwMode.cpp",
     "InstrDocsEmitter.cpp",

llvm/utils/gn/secondary/llvm/utils/TableGen/GlobalISel/BUILD.gn

@@ -4,14 +4,5 @@ static_library("GlobalISel") {
     "//llvm/lib/CodeGen:CodeGenTypes",
     "//llvm/lib/Support",
   ]
-  sources = [
-    "CodeExpander.cpp",
-    "GIMatchDag.cpp",
-    "GIMatchDagEdge.cpp",
-    "GIMatchDagInstr.cpp",
-    "GIMatchDagOperands.cpp",
-    "GIMatchDagPredicate.cpp",
-    "GIMatchDagPredicateDependencyEdge.cpp",
-    "GIMatchTree.cpp",
-  ]
+  sources = [ "CodeExpander.cpp" ]
 }