arm_mpam: control memory bandwidth with hard limit flag

hulk inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I8T2RT



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When the max memory bandwidth is exceeded, the partition does not use any
more bandwidth until the memory bandwidth measurement for the partition
falls below max value setting.

Signed-off-by: Zeng Heng <zengheng4@huawei.com>