qcacmn: Add HIF CE RX support to WBUFF

Currently, WBUFF is being used only for WMI TX buffers.
Add HIF CE RX buffers support to WBUFF in an effort to re-use
the copy engine RX buffers instead of freeing/allocating buffers
for every CE RX transaction. This fixes the problem of CE RX
memory fragmentation.

Change-Id: Id9c043a5c5d0882a7994fa03cd8c335555d46b8d
CRs-Fixed: 3534539

wbuff/src/i_wbuff.h

@@ -26,9 +26,7 @@
 #define _I_WBUFF_H
 
 #include <qdf_nbuf.h>
-
-/* Number of pools supported per module */
-#define WBUFF_MAX_POOLS 4
+#include <wbuff.h>
 
 #define WBUFF_MODULE_ID_SHIFT 4
 #define WBUFF_MODULE_ID_BITMASK 0xF0