arm64/mpam: resctrl: Supplement cdpl2,cdpl3 for mount options

hulk inclusion
category: feature
bugzilla: 34278
CVE: NA

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This supports cdpl2,cdpl3 parameters for mount options, some other options
including capabilities' feature such as priority and hardlimit will be
supported in the future, a simple example like this.

e.g.
   > mount -t resctrl resctrl /sys/fs/resctrl -o cdpl3
   > cd /sys/fs/resctrl && cat schemata
     L3CODE:0=7fff;1=7fff;2=7fff;3=7fff
     L3CODE:0=7fff;1=7fff;2=7fff;3=7fff
     MB:0=100;1=100;2=100;3=100

Note that we only complete this part interface adaption, not mean cdp is
supported currently.

Signed-off-by: Wang ShaoBo <bobo.shaobowang@huawei.com>
Reviewed-by: Xiongfeng Wang <wangxiongfeng2@huawei.com>
Reviewed-by: Cheng Jian <cj.chengjian@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Cheng Jian <cj.chengjian@huawei.com>