Switch to use Huawei PCI vendor ID macro from pci_ids.h file.

In addition, switch to use PCI_VDEVICE() instead of open coding.

Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Xinliang Liu <z.liuxinliang@hisilicon.com>
Signed-off-by: Xinliang Liu <z.liuxinliang@hisilicon.com>