soc: fsl: qbman: use kmalloc_array() instead of kmalloc()

Replace kmalloc() with kmalloc_array() to prevent potential
overflow, as recommended in Documentation/process/deprecated.rst.

Signed-off-by: Gongwei Li <ligongwei@kylinos.cn>
Reviewed-by: Fushuai Wang <wangfushuai@baidu.com>
Link: https://lore.kernel.org/r/20251121061022.114609-1-13875017792@163.com
Signed-off-by: Christophe Leroy (CS GROUP) <chleroy@kernel.org>

Author: ligongwei-qm

drivers/soc/fsl/qbman/qman_test_stash.c

@@ -219,7 +219,7 @@ static int allocate_frame_data(void)
 
 	pcfg = qman_get_qm_portal_config(qman_dma_portal);
 
-	__frame_ptr = kmalloc(4 * HP_NUM_WORDS, GFP_KERNEL);
+	__frame_ptr = kmalloc_array(4, HP_NUM_WORDS, GFP_KERNEL);
 	if (!__frame_ptr)
 		return -ENOMEM;