[RISCV][MCA] Move sifive-x280 tests to directory SiFiveX280#120522

wangpc-pp merged 1 commit intollvm:mainllvm/llvm-project:mainfrom

wangpc-pp:main-riscv-mca-x280wangpc-pp/llvm-project:main-riscv-mca-x280Copy head branch name to clipboard