Make the EDis tables const.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150304 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/Disassembler/ARMDisassembler.cpp b/lib/Target/ARM/Disassembler/ARMDisassembler.cpp
index 6c837bc..77974ba 100644
--- a/lib/Target/ARM/Disassembler/ARMDisassembler.cpp
+++ b/lib/Target/ARM/Disassembler/ARMDisassembler.cpp
@@ -52,7 +52,7 @@
                               raw_ostream &cStream) const;
 
   /// getEDInfo - See MCDisassembler.
-  EDInstInfo *getEDInfo() const;
+  const EDInstInfo *getEDInfo() const;
 private:
 };
 
@@ -77,7 +77,7 @@
                               raw_ostream &cStream) const;
 
   /// getEDInfo - See MCDisassembler.
-  EDInstInfo *getEDInfo() const;
+  const EDInstInfo *getEDInfo() const;
 private:
   mutable std::vector<unsigned> ITBlock;
   DecodeStatus AddThumbPredicate(MCInst&) const;
@@ -332,11 +332,11 @@
   return new ThumbDisassembler(STI);
 }
 
-EDInstInfo *ARMDisassembler::getEDInfo() const {
+const EDInstInfo *ARMDisassembler::getEDInfo() const {
   return instInfoARM;
 }
 
-EDInstInfo *ThumbDisassembler::getEDInfo() const {
+const EDInstInfo *ThumbDisassembler::getEDInfo() const {
   return instInfoARM;
 }