sched/qos: Remove dependency CONFIG_x86

hulk inclusion
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I4VZJT


CVE: NA

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After removing dependency CONFIG_x86, if enable CONFIG_QOS_SCHED,
only x86 server can handle priority inversion issue.

Signed-off-by: Zhang Qiao <zhangqiao22@huawei.com>
Reviewed-by: Cheng Jian <cj.chengjian@huawei.com>
Reviewed-by: Chen Hui <judy.chenhui@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>