The entry for intel product 0x0a04 was not in the right spot, new diff:
--- /usr/src/sys/dev/pci/pcidevsWed Jan 8 23:52:05 2014
+++ pcidevs Fri Jan 10 21:54:24 2014
@@ -1293,7 +1293,7 @@
product ATI RADEON_X700_PCIE_S 0x5e6d Radeon X700 PCIE Sec
product ATI RADEON_X700_SE 0x5e4
Recognize previously unknown Intel Core 4th Gen. Host Bridge and Radeon HD
8750M. Radeon HD 8750M and HD 8670A have the same pci id.
-current:
pchb0 at pci0 dev 0 function 0 vendor "Intel", unknown product 0x0a04 rev 0x09
ATI Radeon HD 8670A" rev 0x00 at pci3 dev 0 function 0 not configured
-cur