[syzbot] bpf build error (3)

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit:    49ca6153208f bpf: Relicense disassembler as GPL-2.0-only O..
git tree:       bpf
console output: https://syzkaller.appspot.com/x/log.txt?x=17835513300000
kernel config:  https://syzkaller.appspot.com/x/.config?x=bd61edfef9fa14b1
dashboard link: https://syzkaller.appspot.com/bug?extid=8a8ba69ec56c60331e1f

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+8a8ba69ec56c60331e1f@xxxxxxxxxxxxxxxxxxxxxxxxx

arch/x86/kernel/setup.c:916:6: error: implicit declaration of function 'acpi_mps_check' [-Werror=implicit-function-declaration]
arch/x86/kernel/setup.c:1110:2: error: implicit declaration of function 'acpi_table_upgrade' [-Werror=implicit-function-declaration]
arch/x86/kernel/setup.c:1112:2: error: implicit declaration of function 'acpi_boot_table_init' [-Werror=implicit-function-declaration]
arch/x86/kernel/setup.c:1120:2: error: implicit declaration of function 'early_acpi_boot_init'; did you mean 'early_cpu_init'? [-Werror=implicit-function-declaration]
arch/x86/kernel/setup.c:1162:2: error: implicit declaration of function 'acpi_boot_init' [-Werror=implicit-function-declaration]

---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx.

syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.