arm64/mpam: make mbw_max/min not less than min_bw

hulk inclusion
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I61CPK


CVE: NA

--------------------------------

Do not allow min_bw below the granularity with adjusting mbw_max/min,
and with setting mbw_max/min less than min_bw, return 'Invalid argument'
directly.

Signed-off-by: Wang ShaoBo <bobo.shaobowang@huawei.com>
Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com>
Reviewed-by: Xie XiuQi <xiexiuqi@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>