livepatch/x86: Support breakpoint exception optimization

hulk inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I8MGE6



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Implement the arch_klp_{check, add, remove}_breakpoint interface to support
breakpoint exception optimization.

Signed-off-by: Li Huafei <lihuafei1@huawei.com>
Signed-off-by: Zheng Yejian <zhengyejian1@huawei.com>