lockup_detector: init lockup detector after all the init_calls

hulk inclusion
category: feature
bugzilla: 48046
CVE: NA

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We call 'sdei_init' as 'subsys_initcall_sync'. lockup detector need to
be initialised after sdei_init. The influence of this patch is that we
can not detect the hard lockup in init_calls.

Signed-off-by: Xiongfeng Wang <wangxiongfeng2@huawei.com>
Reviewed-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>

 Conflicts:
	init/main.c
Signed-off-by: Xiongfeng Wang <wangxiongfeng2@huawei.com>
Reviewed-by: Hanjun Guo <guohanjun@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>