qcacmn: Remove unwanted header files in transport layer

Rename OL_TARGET_STATUS as HIF_TARGET_STATUS and move the enum to hif.h

Change-Id: Ib84514aa65404b4340b1be06a4adefff27bfdc6d
CRs-Fixed: 998536

hif/src/regtable.c

@@ -25,14 +25,12 @@
  * to the Linux Foundation.
  */
 
-#include "bmi_msg.h"
 #include "targaddrs.h"
 #include "cepci.h"
 #include "regtable.h"
 #include "ar9888def.h"
 #include "ar6320def.h"
 #include "ar6320v2def.h"
-#include "ol_if_athvar.h"
 #include "hif_main.h"
 #include "adrastea_reg_def.h"