forked from Mirrors/opensbi

We should use MTINST CSR in misaligned load/store emulation whenever possible to avoid unpriv read in getting trapped instruction. This will improve preformance on HW having proper implementation of MTINST CSR. Signed-off-by: Anup Patel <anup.patel@wdc.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com>