forked from Mirrors/opensbi

pmp_set/pmp_get calculates the location of the CSR register separately through conditional compilation. In the case of non-32-bit and 64-bit, we can report an error directly through #error without putting it at runtime Signed-off-by: Xiang W <wxjstz@126.com> Reviewed-by: Anup Patel <anup@brainfault.org>