[gn] port e86ebe4 (llvm-split target dep)

Author: nico

llvm/utils/gn/secondary/llvm/tools/llvm-split/BUILD.gn

@@ -1,9 +1,16 @@
 executable("llvm-split") {
   deps = [
     "//llvm/lib/Bitcode/Writer",
+    "//llvm/lib/CodeGen",
     "//llvm/lib/IR",
     "//llvm/lib/IRReader",
+    "//llvm/lib/MC",
     "//llvm/lib/Support",
+    "//llvm/lib/Target",
+    "//llvm/lib/Target:AllTargetsAsmParsers",
+    "//llvm/lib/Target:AllTargetsCodeGens",
+    "//llvm/lib/Target:AllTargetsDescs",
+    "//llvm/lib/Target:AllTargetsInfos",
     "//llvm/lib/Transforms/Utils",
   ]
   sources = [ "llvm-split.cpp" ]