Removes const qualification for two methods in TargetDataLowering.

src/IceTargetLoweringARM32.cpp

Index: src/IceTargetLoweringARM32.cpp
diff --git a/src/IceTargetLoweringARM32.cpp b/src/IceTargetLoweringARM32.cpp
index 5b7bccc3b4c8a3ef69d30a372179567dbac8896c..a2091b22c74e60b4a3e6b153d4f89b5b9267ff56 100644
--- a/src/IceTargetLoweringARM32.cpp
+++ b/src/IceTargetLoweringARM32.cpp
@@ -2200,7 +2200,7 @@ void TargetDataARM32::lowerGlobal(const VariableDeclaration &Var) const {
 }
 
 void TargetDataARM32::lowerGlobals(
-    std::unique_ptr<VariableDeclarationList> Vars) const {
+    std::unique_ptr<VariableDeclarationList> Vars) {
   switch (Ctx->getFlags().getOutFileType()) {
   case FT_Elf: {
     ELFObjectWriter *Writer = Ctx->getObjectWriter();
@@ -2219,7 +2219,7 @@ void TargetDataARM32::lowerGlobals(
   }
 }
 
-void TargetDataARM32::lowerConstants() const {
+void TargetDataARM32::lowerConstants() {
   if (Ctx->getFlags().getDisableTranslation())
     return;
   UnimplementedError(Ctx->getFlags());