Documentation: zh_CN: convert to use i2c_new_client_device()

Move away from the deprecated API and advertise the new one.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Alex Shi <alex.shi@linux.alibaba.com>
Link: https://lore.kernel.org/r/20200425100616.3363-1-wsa+renesas@sang-engineering.com


Signed-off-by: Jonathan Corbet <corbet@lwn.net>