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

wangxun inclusion
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I66W4Y



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This reverts commit ed2b7e53.

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