euler inclusion
category: bugfix
bugzilla: 5507
CVE: NA

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Independent instruction cache and data cache are used on
the aarch64 cpu chip. so we must flush the instruction
cache when enable/disable patch.

we miss it when disable patch, so just fix it.
Signed-off-by: NCheng Jian <cj.chengjian@huawei.com>
Reviewed-by: NLi Bin <huawei.libin@huawei.com>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>