Move the PPC TOC defs into the PPC64 InstrInfo file.

Since TOC is just defined for PPC64, move its definition to PPC64 td file.

Patch by Adhemerval Zanella.

llvm-svn: 163234
diff --git a/llvm/lib/Target/PowerPC/PPCInstr64Bit.td b/llvm/lib/Target/PowerPC/PPCInstr64Bit.td
index 4605bd27..cfe71d17 100644
--- a/llvm/lib/Target/PowerPC/PPCInstr64Bit.td
+++ b/llvm/lib/Target/PowerPC/PPCInstr64Bit.td
@@ -29,6 +29,9 @@
   let PrintMethod = "printSymbolLo";
   let EncoderMethod = "getLO16Encoding";
 }
+def tocentry : Operand<iPTR> {
+  let MIOperandInfo = (ops i32imm:$imm);
+}
 
 //===----------------------------------------------------------------------===//
 // 64-bit transformation functions.