Added config option for AVX2 dataset init

-1 = Auto detect
0 = Always disabled
1 = Enabled if AVX2 is supported

src/crypto/randomx/jit_compiler_x86.hpp

@@ -49,7 +49,7 @@ namespace randomx {
 
 	class JitCompilerX86 {
 	public:
-		explicit JitCompilerX86(bool hugePagesEnable);
+		explicit JitCompilerX86(bool hugePagesEnable, bool optimizedInitDatasetEnable);
 		~JitCompilerX86();
 		void prepare();
 		void generateProgram(Program&, ProgramConfiguration&, uint32_t);