Initial patch for supporting Hexagon DSP

llvm-svn: 201665
diff --git a/lldb/source/Target/Thread.cpp b/lldb/source/Target/Thread.cpp
index 72de5b8..39f2699 100644
--- a/lldb/source/Target/Thread.cpp
+++ b/lldb/source/Target/Thread.cpp
@@ -2023,6 +2023,7 @@
             case llvm::Triple::arm:
             case llvm::Triple::thumb:
             case llvm::Triple::mips64:
+            case llvm::Triple::hexagon:
                 m_unwinder_ap.reset (new UnwindLLDB (*this));
                 break;