arm64: mm: Detect and enable PBHA bit0 at early startup

hulk inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I7ZC0H



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

Enable PBHA bit0 via FDT table at startup. PBHA bit 0 is currently needed
initialized.

Here is an example to enable PBHA bit0 in FDT table:

    cpus {
        arm,pbha-performance-only = <0x01000000 0x00000000 0x00000000 0x00000000>;
    };
    chosen {
        linux,pbha-bit0 = [0/1];
    };

Signed-off-by: Ma Wupeng <mawupeng1@huawei.com>