forked from Mirrors/opensbi

In `csr_read_allowed` and `csr_write_allowed` macros, has already converted second param to `ulong`. So delete redundant `ulong` where uses csr_read/write_allowed macros. Signed-off-by: Zhang RunMin <runmin.zhang@ingenic.com> Reviewed-by: Anup Patel <anup@brainfault.org>