qcacmn: Remove icnss_dispatch_irq

icnss_dispatch_irq is a stub for a non-existent function.
Make a pci function that doesn't use a global data structure.

Change-Id: I636d59cb465acf1366269d96a5dcacf910f8d78c
CRs-Fixed: 1002083

hif/inc/hif_napi.h

@@ -89,7 +89,7 @@ int hif_napi_enabled(struct hif_opaque_softc *hif, int ce);
 /* called from hdd (napi_poll), using napi id as a selector */
 void hif_napi_enable_irq(struct hif_opaque_softc *hif, int id);
 
-/* called by ce_tasklet.c::ce_irq_handler */
+/* called by ce_tasklet.c::ce_dispatch_interrupt*/
 int hif_napi_schedule(struct hif_opaque_softc *scn, int ce_id);
 
 /* called by hdd_napi, which is called by kernel */