I was actually able to add support myself with the following diff.
--
James Turner
ja...@calminferno.net
Index: if_iwn.c
===================================================================
RCS file: /cvs/src/sys/dev/pci/if_iwn.c,v
retrieving revision 1.115
diff -u -p if_iwn.c
--- if_iwn.c 11 Nov 2012 20:45:31 -0000 1.115
+++ if_iwn.c 14 Nov 2012 02:00:52 -0000
@@ -639,7 +639,8 @@ iwn5000_attach(struct iwn_softc *sc, pci_product_id_t
break;
case IWN_HW_REV_TYPE_6005:
sc->limits = &iwn6000_sensitivity_limits;
- if (pid == PCI_PRODUCT_INTEL_WL_6235_1) {
+ if (pid == PCI_PRODUCT_INTEL_WL_6235_1 ||
+ pid == PCI_PRODUCT_INTEL_WL_6030_2) {
sc->fwname = "iwn-6030";
/* XXX: The 6235 generates a fatal firmware error when
