Add RISC-V 64 Clang 11.0.1 and 9.0.1 (#2398)
Add RISC-V 64 Clang 11.0.1 and 9.0.1 (#2398)

I missed these in a previous PR.

Signed-off-by: Sam Elliott <f16bed56189e249fe4ca8ed10a1ecae60e8ceac0@lenary.co.uk>
dkm/gcc-explorer,mattgodbolt/compiler-explorer,mattgodbolt/gcc-explorer,mattgodbolt/gcc-explorer,mattgodbolt/gcc-explorer,mattgodbolt/compiler-explorer,dkm/gcc-explorer,dkm/gcc-explorer,mattgodbolt/compiler-explorer,mattgodbolt/compiler-explorer,mattgodbolt/compiler-explorer,dkm/gcc-explorer,dkm/gcc-explorer,mattgodbolt/gcc-explorer,mattgodbolt/compiler-explorer,dkm/gcc-explorer,mattgodbolt/gcc-explorer,mattgodbolt/compiler-explorer,dkm/gcc-explorer,dkm/gcc-explorer,dkm/gcc-explorer,mattgodbolt/compiler-explorer