!8478 arm64: asm-bug: Add .align 2 to the end of __BUG_ENTRY

Merge Pull Request from: @ci-robot 
 
PR sync from: Li Zetao <lizetao1@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/XBD6YSGSZ74K3ANKFI65O3D5AGCVLFZK/ 
 
https://gitee.com/openeuler/kernel/issues/I9R0VC 
 
Link:https://gitee.com/openeuler/kernel/pulls/8478

 

Reviewed-by: Zhang Jianhua <chris.zjh@huawei.com>
Reviewed-by: Liu YongQiang <liuyongqiang13@huawei.com>
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>