forked from Mirrors/opensbi

Accordind to the RISC-V privileged specification, the VS filed is mstatus[10:9] instead of mstatus[24:23]. Modify the MSTATUS_VS to the correct value. Reported-by: I-Cheng Cheng <i-cheng.cheng@sifive.com> Signed-off-by: Vincent Chen <vincent.chen@sifive.com> Reviewed-by: Xiang W <wxjstz@126.com> Reviewed-by: Anup Patel <anup@brainfault.org>