chore: add patch to fix riscv64

riscv64.patch

@@ -0,0 +1,23 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 909cfe39a..5f0b375ab 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -215,7 +215,7 @@ if (NOT MSVC)
+       return static_cast<int>(std::atomic<int64_t>{});
+     }
+   " protobuf_HAVE_BUILTIN_ATOMICS)
+-  if (NOT protobuf_HAVE_BUILTIN_ATOMICS)
++  if (NOT protobuf_HAVE_BUILTIN_ATOMICS OR ${CMAKE_SYSTEM_PROCESSOR} MATCHES "riscv")
+     set(protobuf_LINK_LIBATOMIC true)
+   endif (NOT protobuf_HAVE_BUILTIN_ATOMICS)
+   set(CMAKE_REQUIRED_FLAGS ${OLD_CMAKE_REQUIRED_FLAGS})
+@@ -405,3 +405,8 @@ endif (protobuf_BUILD_EXAMPLES)
+ if(protobuf_VERBOSE)
+   message(STATUS "Protocol Buffers Configuring done")
+ endif(protobuf_VERBOSE)
++
++if(CMAKE_SYSTEM_PROCESSOR STREQUAL "riscv64")
++  string(APPEND CMAKE_C_STANDARD_LIBRARIES " -latomic")
++  string(APPEND CMAKE_CXX_STANDARD_LIBRARIES " -latomic")
++endif()
+