device: Add class and subclass name support

Add support to display class and subclass names for PCI devices.

BRANCH=none
BUG=None
TEST=Build and run on strago/cyan.

Change-Id: I5136fae45b8a1cd02541f233d29a246cdfcd8331
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: a7c9b0d7201b09a06ea32f0db84187d15f767c80
Original-Change-Id: Ibf2ee89dd84040ca6ab0e52857a69f7ed0c28f37
Original-Signed-off-by: Lee Leahy <Leroy.P.Leahy@intel.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/263342
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Commit-Queue: Leroy P Leahy <leroy.p.leahy@intel.com>
Original-Tested-by: Leroy P Leahy <leroy.p.leahy@intel.com>
Reviewed-on: http://review.coreboot.org/9901
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
diff --git a/src/include/device/pci.h b/src/include/device/pci.h
index 4e712f9..141d2e8 100644
--- a/src/include/device/pci.h
+++ b/src/include/device/pci.h
@@ -87,6 +87,8 @@
 int get_pci_irq_pins(device_t dev, device_t *parent_bdg);
 void pci_assign_irqs(unsigned bus, unsigned slot,
 		     const unsigned char pIntAtoD[4]);
+const char *get_pci_class_name(device_t dev);
+const char *get_pci_subclass_name(device_t dev);
 
 #define PCI_IO_BRIDGE_ALIGN 4096
 #define PCI_MEM_BRIDGE_ALIGN (1024*1024)