forked from Mirrors/opensbi

'priv' argument of sbi_hsm_hart_start() and sbi_hsm_hart_suspend() may mislead people to think it stands for 'privilege mode', but it is not. Change it to 'arg1' to clearly indicate the a1 register. Signed-off-by: Bin Meng <bmeng@tinylab.org> Reviewed-by: Samuel Holland <samuel@sholland.org> Tested-by: Samuel Holland <samuel@sholland.org> Reviewed-by: Atish Patra <atishp@rivosinc.com> Reviewed-by: Anup Patel <anup@brainfault.org>