qcacmn: Add common memory alloc/free API

Add qdf_mem_common_alloc/qdf_mem_common_free for
the platform that want to replace malloc with valloc
due to limited continuous physical memory.

Change-Id: If3c5716ff6d62c0a4f6f21b7ebf9eef1e3f0e529
CRs-Fixed: 3429140

qdf/inc/qdf_mem.h

@@ -1436,6 +1436,30 @@ void qdf_mem_tx_desc_cnt_update(qdf_atomic_t pending_tx_descs,
  */
 #define qdf_mem_valloc(size) __qdf_mem_valloc(size, __func__, __LINE__)
 
+#ifdef ENABLE_VALLOC_REPLACE_MALLOC
+/**
+ * qdf_mem_common_alloc() - Common function to allocate memory for the
+ * given size, allocation method decided by ENABLE_VALLOC_REPLACE_MALLOC
+ * @size: Number of bytes of memory to be allocated
+ *
+ * Return: Pointer to the starting address of the allocated memory
+ */
+#define qdf_mem_common_alloc(size) qdf_mem_valloc(size)
+
+/**
+ * qdf_mem_common_free() - Common function to free the memory pointed
+ * to by ptr, memory free method decided by ENABLE_VALLOC_REPLACE_MALLOC
+ * @ptr: Pointer to the starting address of the memory to
+ * be freed.
+ *
+ * Return: None
+ */
+#define qdf_mem_common_free(ptr) qdf_mem_vfree(ptr)
+#else
+#define qdf_mem_common_alloc(size) qdf_mem_malloc(size)
+#define qdf_mem_common_free(ptr) qdf_mem_free(ptr)
+#endif
+
 /**
  * qdf_ioremap() - map bus memory into cpu space
  * @HOST_CE_ADDRESS: bus address of the memory