staging: rtl8192e: cmdpkt: Use skb_put_data() instead of skb_put/memcpy pair

Use skb_put_data() instead of skb_put() and memcpy(), which is shorter
and clear.

Signed-off-by: Shang XiaoJing <shangxiaojing@huawei.com>
Link: https://lore.kernel.org/r/20220927024220.14044-1-shangxiaojing@huawei.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>