RISC-V JIT build break blocks godbolt workflow

[hez2010]

RISC-V build is failing due to

FAILED: jit/CMakeFiles/clrjit_unix_riscv64_x64.dir/emitriscv64.cpp.o
/root/dotnet/runtime/src/coreclr/jit/emitriscv64.cpp:4775:41: error: format specifies type 'int'
    but the argument has type 'emitter::MajorOpcode' [-Werror,-Wformat]
 4775 |             printf("MajorOpcode: %d\n", GetMajorOpcode(code));
      |                                  ~~     ^~~~~~~~~~~~~~~~~~~~
      |                                         static_cast<int>(   )
1 error generated.

See compiler-explorer/dotnet-builder#31

The nightly build on godbolt has been blocked for more than a week due to this issue.

cc: @dotnet/jit-contrib

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