net: wwan: iosm: Use skb_put_data() instead of skb_put/memcpy pair

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

Signed-off-by: Shang XiaoJing <shangxiaojing@huawei.com>
Reviewed-by: M Chetan Kumar <m.chetan.kumar@intel.com>
Link: https://lore.kernel.org/r/20220927023254.30342-1-shangxiaojing@huawei.com


Signed-off-by: Jakub Kicinski <kuba@kernel.org>