DSP: Namespace the JIT

Source/Core/Core/DSP/DSPTables.cpp

@@ -12,6 +12,8 @@
 #include "Core/DSP/Interpreter/DSPInterpreter.h"
 #include "Core/DSP/Jit/DSPEmitter.h"
 
+using DSP::JIT::x86::DSPEmitter;
+
 // clang-format off
 const DSPOPCTemplate opcodes[] =
 {