rsp: fix up the code so it compiles on x86

Source/Project64-rsp-core/Hle/HleTask.cpp

@@ -270,6 +270,7 @@ bool CHleTask::ProcessHleTask(void)
     return false;
 }
 
+#if defined(__amd64__) || defined(_M_X64)
 bool CHleTask::HleTaskRecompiler(void)
 {
     const TASK_INFO & TaskInfo = *((TASK_INFO *)(m_DMEM + 0xFC0));
@@ -295,3 +296,4 @@ bool CHleTask::HleTaskRecompiler(void)
     }
     return true;
 }
+#endif

Source/Project64-rsp-core/Recompiler/RspRecompilerCPU-x64.cpp

@@ -74,7 +74,6 @@ void CRSPRecompiler::CompileHLETask(uint32_t Address)
         CPULog->Flush();
         m_CodeLog.clear();
     }
-#endif
 }
 
 void CRSPRecompiler::Log(_Printf_format_string_ const char * Text, ...)
@@ -117,3 +116,4 @@ uintptr_t CRSPRecompiler::GetAddressOf(int value, ...)
 
     return (uintptr_t)Address;
 }
+#endif

Source/Project64-rsp-core/cpu/RspSystem.cpp

@@ -131,7 +131,9 @@ void CRSPSystem::Reset(RSP_INFO & Info)
     {
         m_SyncSystem->Reset(Info);
     }
+#if defined(__amd64__) || defined(_M_X64)
     m_Recompiler.Reset();
+#endif
 }
 
 void CRSPSystem::RomClosed(void)