qcacmn: Pointerize hif_dump_registers

Allow different busses to have different register sets to dump
in case of a crash.

Change-Id: I2b0665f276594dfb29ca34fe3f363c2f414cd2e7
CRs-Fixed: 986480
diff --git a/hif/src/dispatcher/multibus.c b/hif/src/dispatcher/multibus.c
index 4f4f9c6..7f54719 100644
--- a/hif/src/dispatcher/multibus.c
+++ b/hif/src/dispatcher/multibus.c
@@ -214,3 +214,9 @@
 {
 	hif_sc->bus_ops.hif_irq_disable(hif_sc, irq_id);
 }
+
+int hif_dump_registers(struct hif_opaque_softc *hif_hdl)
+{
+	struct hif_softc *hif_sc = HIF_GET_SOFTC(hif_hdl);
+	return hif_sc->bus_ops.hif_dump_registers(hif_sc);
+}