ixgbevf: add disable link state

mainline inclusion
from mainline-v5.18-rc1
commit 443ebdd6
category: bugfix
bugzilla: https://gitee.com/src-openeuler/kernel/issues/I532H9


CVE: CVE-2021-33061

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

Add possibility to disable link state if it is administratively
disabled in PF.

It is part of the general functionality that allows the PF driver
to control the state of the virtual link VF devices.

Signed-off-by: Slawomir Mrozowicz <slawomirx.mrozowicz@intel.com>
Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>

Conflicts:
	drivers/net/ethernet/intel/ixgbevf/mbx.h
	drivers/net/ethernet/intel/ixgbevf/vf.c

Signed-off-by: Ziyang Xuan <william.xuanziyang@huawei.com>
Reviewed-by: Wei Yongjun <weiyongjun1@huawei.com>
Reviewed-by: Xiu Jianfeng <xiujianfeng@huawei.com>
Signed-off-by: Yongqiang Liu <liuyongqiang13@huawei.com>