clang does not support NVIDIA GPU cc=86

[t-hishinuma]

We compile with CC = 80 if CC = 86 in #82

This setting needs to be modified when Clang supports CC = 86.

[t-hishinuma]

I update clang13 at 0.16.0. need to check support status.

[t-hishinuma]

yet

[t-hishinuma]

age

[t-hishinuma]

clang 14.0.4 support sm86?? https://github.com/llvm/llvm-project/blob/llvmorg-14.0.4/openmp/libomptarget/DeviceRTL/CMakeLists.txt#L68