Add ARMv7 architecture, Cortex processors and different FPU modes handling.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72337 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMSubtarget.cpp b/lib/Target/ARM/ARMSubtarget.cpp
index 7379f1c..edeea2e 100644
--- a/lib/Target/ARM/ARMSubtarget.cpp
+++ b/lib/Target/ARM/ARMSubtarget.cpp
@@ -18,7 +18,7 @@
 
 ARMSubtarget::ARMSubtarget(const Module &M, const std::string &FS, bool thumb)
   : ARMArchVersion(V4T)
-  , HasVFP2(false)
+  , ARMFPUType(None)
   , IsThumb(thumb)
   , UseThumbBacktraces(false)
   , IsR9Reserved(false)