Revert "x86/cpu: Add a steppings field to struct x86_cpu_id"

stable inclusion
from stable-v4.19.266
commit 8627f766f42beefcce9979e6db44541cc651d521
category: bugfix
bugzilla: https://gitee.com/src-openeuler/kernel/issues/I5GZ2Z


CVE: CVE-2022-29901

--------------------------------

This reverts commit 6f2f28e71e6af993761b7a70bd2402a8d2096acf.

This is commit e9d71445 upstream. Reverting this
commit makes the following patches apply cleanly. This patch is then reapplied.

Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>
Signed-off-by: Suleiman Souhlal <suleiman@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Lin Yujun <linyujun809@huawei.com>
Reviewed-by: Liao Chang <liaochang1@huawei.com>
Reviewed-by: Zhang Jianhua <chris.zjh@huawei.com>
Reviewed-by: Liao Chang <liaochang1@huawei.com>
Signed-off-by: Yongqiang Liu <liuyongqiang13@huawei.com>