sb/intel/lynxpoint: Add PCI IDs for more SKUs

The PCI IDs were taken from the Intel Lynx Point datasheet [1].

[1] Intel® 8 Series/C220 Series Chipset Family Platform Controller Hub
    (PCH) Datasheet, revision 003, document number 328904.

Change-Id: Ie4a264e9325d185334c3d7f7d2ed3c394ac33059
Signed-off-by: Tristan Corrick <tristan@corrick.kiwi>
Reviewed-on: https://review.coreboot.org/29376
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>

src/southbridge/intel/lynxpoint/lpc.c

@@ -856,6 +856,11 @@ static const unsigned short pci_device_ids[] = {
 	0x8c4c, /* Q85 SKU */
 	0x8c4e, /* Q87 SKU */
 	0x8c4f, /* QM87 SKU */
+	0x8c50, /* B85 SKU */
+	0x8c52, /* C222 SKU */
+	0x8c54, /* C224 SKU */
+	0x8c56, /* C226 SKU */
+	0x8c5c, /* H81 SKU */
 	0x9c41, /* LP Full Featured Engineering Sample */
 	0x9c43, /* LP Premium SKU */
 	0x9c45, /* LP Mainstream SKU */