The Motorcomm YT8821 2.5G PHY is being used in some devices as an
alternative to devices like the RTL8221B. Package it as a kmod
so it can be used as a device package rather than requiring changes
to the target kernel config.
Signed-off-by: Andrew MacIntyre <andymac@pcug.org.au>
Link: https://github.com/openwrt/openwrt/pull/21399
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>