PCI/P2PDMA: Add Intel SkyLake-E to the whitelist

Intel SkyLake-E was successfully tested for p2pdma transactions spanning
over a host bridge and PCI bridge with IOMMU on.  Add it to the whitelist.

Link: https://lore.kernel.org/r/1575669165-31697-1-git-send-email-abaloyan@gigaio.comSigned-off-by: Armen Baloyan <abaloyan@gigaio.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Logan Gunthorpe <logang@deltatee.com>

drivers/pci/p2pdma.c

@@ -289,6 +289,9 @@ static const struct pci_p2pdma_whitelist_entry {
 	/* Intel Xeon E7 v3/Xeon E5 v3/Core i7 */
 	{PCI_VENDOR_ID_INTEL,	0x2f00, REQ_SAME_HOST_BRIDGE},
 	{PCI_VENDOR_ID_INTEL,	0x2f01, REQ_SAME_HOST_BRIDGE},
+	/* Intel SkyLake-E */
+	{PCI_VENDOR_ID_INTEL,	0x2030, 0},
+	{PCI_VENDOR_ID_INTEL,	0x2020, 0},
 	{}
 };