renamed hle "mrc" module to "coprocessor"

src/core/CMakeLists.txt

@@ -19,7 +19,7 @@ set(SRCS    core.cpp
             file_sys/directory_file_system.cpp
             file_sys/meta_file_system.cpp
             hle/hle.cpp
-            hle/mrc.cpp
+            hle/coprocessor.cpp
             hle/syscall.cpp
             hle/service/apt.cpp
             hle/service/gsp.cpp