KVM: riscv: selftests: Add common supported test cases

KVM: riscv: selftests: Add common supported test cases

Some common KVM test cases are supported on riscv now as following:

    access_tracking_perf_test
    dirty_log_perf_test
    memslot_modification_stress_test
    memslot_perf_test
    mmu_stress_test
    rseq_test

Signed-off-by: Quan Zhou <zhouquan@iscas.ac.cn>
Signed-off-by: Dong Yang <dayss1224@gmail.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Link: https://lore.kernel.org/r/c447f18115b27562cd65863645e41a5ef89bd37b.1756710918.git.dayss1224@gmail.com
Signed-off-by: Anup Patel <anup@brainfault.org>