qcacmn: Fix build error caused by hif_config_irq_clear_affinity

hif_config_irq_clear_affinity is not defined, while
hif_config_irq_clear_cpu_affinity is defined.
Do not export undefine API.
Export hif_config_irq_clear_cpu_affinity.

Change-Id: I6b66ae687446b1c1eae15683766fd47554156b90
CRs-Fixed: 3606013

hif/src/dispatcher/multibus.c

@@ -636,7 +636,7 @@ void hif_config_irq_clear_cpu_affinity(struct hif_opaque_softc *scn,
 							  intr_ctxt_id, cpu);
 }
 
-qdf_export_symbol(hif_config_irq_clear_affinity);
+qdf_export_symbol(hif_config_irq_clear_cpu_affinity);
 #endif
 
 #ifdef HIF_BUS_LOG_INFO