arch-riscv: Fix compilation error due to getdents* syscalls

In src/sim/syscall_emul.*, getdents and getdents64 are guarded
by #ifdefs. Similar #ifdefs should be in se_workload.cc for each
arch.

Change-Id: Ie636a739235711c3e6d8256fd7929b7d8b4ec953
Signed-off-by: Hoa Nguyen <hoanguyen@ucdavis.edu>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/60189
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
Maintainer: Jason Lowe-Power <power.jg@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>
1 file changed