[gn build] Add missing deps

Author: aeubanks

llvm/utils/gn/secondary/llvm/lib/Target/AArch64/BUILD.gn

@@ -108,6 +108,7 @@ static_library("LLVMAArch64CodeGen") {
     "//llvm/lib/CodeGen/SelectionDAG",
     "//llvm/lib/IR",
     "//llvm/lib/MC",
+    "//llvm/lib/Passes",
     "//llvm/lib/Support",
     "//llvm/lib/Target",
     "//llvm/lib/TargetParser",

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

@@ -109,6 +109,7 @@ static_library("LLVMRISCVCodeGen") {
     "//llvm/lib/CodeGen/SelectionDAG",
     "//llvm/lib/IR",
     "//llvm/lib/MC",
+    "//llvm/lib/Passes",
     "//llvm/lib/Support",
     "//llvm/lib/Target",
     "//llvm/lib/TargetParser",