habanalabs: bugs fixes in timestamps buff alloc

use argument instead of fixed GFP value for allocation
in Timestamps buffers alloc function.
change data type of size to size_t.

Fixes: 9158bf69 ("habanalabs: Timestamps buffers registration")
Signed-off-by: farah kassabri <fkassabri@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>

drivers/accel/habanalabs/common/memory.c

@@ -2170,12 +2170,13 @@ static int hl_ts_mmap(struct hl_mmap_mem_buf *buf, struct vm_area_struct *vma, v
 static int hl_ts_alloc_buf(struct hl_mmap_mem_buf *buf, gfp_t gfp, void *args)
 {
 	struct hl_ts_buff *ts_buff = NULL;
-	u32 size, num_elements;
+	u32 num_elements;
+	size_t size;
 	void *p;
 
 	num_elements = *(u32 *)args;
 
-	ts_buff = kzalloc(sizeof(*ts_buff), GFP_KERNEL);
+	ts_buff = kzalloc(sizeof(*ts_buff), gfp);
 	if (!ts_buff)
 		return -ENOMEM;