i3c: Fix potential refcount leak in i3c_master_register_new_i3c_devs

[ Upstream commit cab63f64 ]

put_device() needs to be called on failure of device_register()
to give up the reference initialized in it to avoid refcount leak.

Fixes: 3a379bbc

 ("i3c: Add core I3C infrastructure")
Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Link: https://lore.kernel.org/r/20230921082410.25548-1-dinghao.liu@zju.edu.cn
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>