forked from Mirrors/opensbi

As stated by the spec and pointed out by Andrew Jones, the value passed for MISALIGNED_EXC_DELEG and PTE_AD_HW_UPDATING should be either 0 or 1. Add check for these values and return SBI_EINVAL if not. Signed-off-by: Clément Léger <cleger@rivosinc.com> Reviewed-by: Andrew Jones <ajones@ventanamicro.com> Reviewed-by: Anup Patel <anup@brainfault.org>