arm64/mpam: add device tree support for mpam initialization

ascend inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I4L735


CVE: NA

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For now, only ACPI boot is supported for the arm64 mpam init.
This introduce device tree support, treat the mpam device as
a platform device, add a platform driver and use of interface
to parse the dts node. Add a common init function to call the
device tree or ACPI init procedure, according to whether ACPI
is disabled and the boot arguments.

Signed-off-by: Xingang Wang <wangxingang5@huawei.com>
Reviewed-by: Wang ShaoBo <bobo.shaobowang@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>