maillist inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I5TUIJ
CVE: NA

Reference: https://github.com/Rust-for-Linux/linux/pull/856

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Added minimum abstration APIs for PCI.
Signed-off-by: NFUJITA Tomonori <fujita.tomonori@gmail.com>
Signed-off-by: Li Hongyu <543306408@qq.com>