Move RegisterValue,Scalar,State from Core to Utility

These three classes have no external dependencies, but they are used
from various low-level APIs. Moving them down to Utility improves
overall code layering (although it still does not break any particular
dependency completely).

The XCode project will need to be updated after this change.

Differential Revision: https://reviews.llvm.org/D49740

llvm-svn: 339127
diff --git a/lldb/source/Core/ValueObjectVariable.cpp b/lldb/source/Core/ValueObjectVariable.cpp
index bfe5c3d..e09bb17 100644
--- a/lldb/source/Core/ValueObjectVariable.cpp
+++ b/lldb/source/Core/ValueObjectVariable.cpp
@@ -12,8 +12,6 @@
 #include "lldb/Core/Address.h"      // for Address
 #include "lldb/Core/AddressRange.h" // for AddressRange
 #include "lldb/Core/Module.h"
-#include "lldb/Core/RegisterValue.h"
-#include "lldb/Core/Scalar.h" // for Scalar, operator!=
 #include "lldb/Core/Value.h"
 #include "lldb/Expression/DWARFExpression.h" // for DWARFExpression
 #include "lldb/Symbol/Declaration.h"         // for Declaration
@@ -27,7 +25,9 @@
 #include "lldb/Target/Process.h"
 #include "lldb/Target/RegisterContext.h"
 #include "lldb/Target/Target.h"
-#include "lldb/Utility/DataExtractor.h"     // for DataExtractor
+#include "lldb/Utility/DataExtractor.h" // for DataExtractor
+#include "lldb/Utility/RegisterValue.h"
+#include "lldb/Utility/Scalar.h"            // for Scalar, operator!=
 #include "lldb/Utility/Status.h"            // for Status
 #include "lldb/lldb-private-enumerations.h" // for AddressType::eAddressTy...
 #include "lldb/lldb-types.h"                // for addr_t