cpuinspect: add ATF inspector

hulk inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I7ZBQB



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This inspector implements the execution of inspection instructions
in BIOS.

Using smc to get group num and execute inspection test cases from
arm-trusted-firmware.

Signed-off-by: Yu Liao <liaoyu15@huawei.com>