Revert "openeuler: pci: workaround multiple functions can be assigned to only one VM"

hulk inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I66W4Y


CVE: NA

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

This reverts commit 5ca65171.

revert this patch and then backport upstream patch
a2b9b123 PCI: Add ACS quirk for Wangxun NICs.

Signed-off-by: DuanqiangWen <duanqiangwen@net-swift.com>