The OrangePi R1 Plus LTS is a minor variant of OrangePi R1 Plus with
the on-board NIC chip changed from rtl8211e to yt8531c, and otherwise
identical to OrangePi R1 Plus.
Tested-by: Volkan Yetik <no3iverson@gmail.com>
Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org>