wlan: use correct type conversion of cfg80211 cookies

Static source code analysis identified issues with the type conversion
being performed on cfg80211 cookie values, so correct those issues.

Change-Id: I560c3351f0ea78d1cbb89ee962ad53394e0888f3
CRs-fixed: 573468
diff --git a/CORE/HDD/src/wlan_hdd_p2p.c b/CORE/HDD/src/wlan_hdd_p2p.c
index f424fcc..6708060 100644
--- a/CORE/HDD/src/wlan_hdd_p2p.c
+++ b/CORE/HDD/src/wlan_hdd_p2p.c
@@ -333,7 +333,7 @@
 #endif
     pRemainChanCtx->duration = duration;
     pRemainChanCtx->dev = dev;
-    *cookie = (tANI_U32) pRemainChanCtx;
+    *cookie = (uintptr_t) pRemainChanCtx;
     pRemainChanCtx->cookie = *cookie;
     pRemainChanCtx->rem_on_chan_request = request_type;
     cfgState->remain_on_chan_ctx = pRemainChanCtx;
@@ -440,7 +440,7 @@
 #else
                                pAdapter->dev,
 #endif
-                               (tANI_U32)pRemainChanCtx,
+                               (uintptr_t)pRemainChanCtx,
                                &pRemainChanCtx->chan,
 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,8,0))
                                pRemainChanCtx->chan_type,
@@ -799,7 +799,7 @@
         else
         {
 #endif
-            *cookie = (tANI_U32) cfgState->buf;
+            *cookie = (uintptr_t) cfgState->buf;
             cfgState->action_cookie = *cookie;
             /*There is race between expiration of remain on channel
               in driver and also sending an action frame in wlan_hdd_action.
@@ -881,7 +881,7 @@
     }
     return 0;
 err_rem_channel:
-    *cookie = (tANI_U32)cfgState;
+    *cookie = (uintptr_t)cfgState;
     cfg80211_mgmt_tx_status(
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0))
                             pAdapter->dev->ieee80211_ptr,
diff --git a/CORE/HDD/src/wlan_hdd_tx_rx.c b/CORE/HDD/src/wlan_hdd_tx_rx.c
index 4f5efd3..da9ce27 100644
--- a/CORE/HDD/src/wlan_hdd_tx_rx.c
+++ b/CORE/HDD/src/wlan_hdd_tx_rx.c
@@ -316,7 +316,7 @@
    vos_mem_copy( cfgState->buf, skb->data, skb->len);
 
    cfgState->skb = skb; //buf;
-   cfgState->action_cookie = (tANI_U32)cfgState->buf;
+   cfgState->action_cookie = (uintptr_t)cfgState->buf;
 
    hdr = (struct ieee80211_hdr *)skb->data;
    if( (hdr->frame_control & HDD_FRAME_TYPE_MASK)