wlan: Memory map change for 8x16 target

wcnss base address for 8x16 target is different then other target
use wcnss base addres which is pass by platform driver instead of
using hard coded wcnss base address.

Change-Id: I048235e9f1669da2dcaa496eae41efc919bbfdfa
CRs-fixed: 627151
diff --git a/CORE/HDD/src/wlan_hdd_ftm.c b/CORE/HDD/src/wlan_hdd_ftm.c
index f8c708c..16b818e 100644
--- a/CORE/HDD/src/wlan_hdd_ftm.c
+++ b/CORE/HDD/src/wlan_hdd_ftm.c
@@ -91,6 +91,8 @@
 #define FTM_CHAIN_SEL_R0_T0_ON      3
 #define FTM_CHAIN_SEL_MAX           3
 
+#define WCNSS_TXFIR_OFFSET          0x00018000
+
 #ifndef QWLAN_PHYDBG_BASE
 #define QWLAN_PHYDBG_BASE                   0x03004000
 #endif /* QWLAN_PHYDBG_BASE */
@@ -3603,6 +3605,7 @@
     tANI_U32 value = 0;
     tANI_U32 reg_addr;
     hdd_context_t *pHddCtx = (hdd_context_t *)pAdapter->pHddCtx;
+
     if (pHddCtx->ftm.ftm_state != WLAN_FTM_STARTED)
     {
         VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_FATAL,
@@ -3610,11 +3613,8 @@
         return VOS_STATUS_E_FAILURE;
     }
 
-#ifdef WCN_PRONTO
-    reg_addr = 0xfb018000;
-#else
-    reg_addr = 0x03018000;
-#endif
+    reg_addr = WCNSS_TXFIR_OFFSET;
+
     wpalReadRegister(reg_addr, &value);
     if (enable)
     {