qcacmn: Remove duplicate definition from hif layer

FW common files needs to be in sync with host and fw.
There are duplicate definition of target attach API when
latest copy of fw common files are used.
Remove duplicate definition of target attach from hif layer.

Change-Id: Ie4a80ba07bc3ec2d9d1466c32062c373c9759a94
CRs-Fixed: 1012542

hif/src/regtable.c

@@ -36,7 +36,7 @@
 #include "targetdef.h"
 #include "hostdef.h"
 
-void target_register_tbl_attach(struct hif_softc *scn, u32 target_type)
+void hif_target_register_tbl_attach(struct hif_softc *scn, u32 target_type)
 {
 	switch (target_type) {
 	case TARGET_TYPE_AR6320: