On the smartrg sr505n the bootloader only sets registers to enable the
PHYs if it's interrupted. When Linux boots this results in a -EINVAL
error when trying to read from the EPHYs and the GPHY doesn't work.
This patch disables low power mode in the GPHY/EPHYs and properly resets
the EPHYs.
Signed-off-by: Kyle Hendry <kylehendrydev@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/17648
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
