KVM: riscv: selftests: Add Zaamo/Zalrsc extensions to get-reg-list test

The KVM RISC-V allows Zaamo/Zalrsc extensions for Guest/VM so add these
extensions to get-reg-list test.

Signed-off-by: Clément Léger <cleger@rivosinc.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Link: https://lore.kernel.org/r/20240619153913.867263-6-cleger@rivosinc.com


Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>