Rename MRegisterDesc -> TargetRegisterDesc for consistency


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23564 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/MRegisterInfo.cpp b/lib/Target/MRegisterInfo.cpp
index 3ab7d99..c8eba55 100644
--- a/lib/Target/MRegisterInfo.cpp
+++ b/lib/Target/MRegisterInfo.cpp
@@ -15,7 +15,7 @@
 
 namespace llvm {
 
-MRegisterInfo::MRegisterInfo(const MRegisterDesc *D, unsigned NR,
+MRegisterInfo::MRegisterInfo(const TargetRegisterDesc *D, unsigned NR,
                              regclass_iterator RCB, regclass_iterator RCE,
                              int CFSO, int CFDO)
   : Desc(D), NumRegs(NR), RegClassBegin(RCB), RegClassEnd(RCE) {