[PATCH] arm64: dts: rockchip: add &gmac2phy in rk3328-rock64

[Himanshu Bhavani]

Hello Simic,

>Unfortunately, this isn't an acceptable change to the Rock64 dts file.
>Yes, there's the second built-in Ethernet interface in the RK3328 SoC,
>but the Rock64 layout doesn't expose it as a separate physical network
>interface, i.e. it isn't available as a port.
  
I was wondering if the Rock64 lacks a port. 
According to this link: https://pine64.org/devices/rock64/, 
it seems that there is a physical network interface available on the sbc.

>Such a change would be fine to be applied to the dts by hand, by someone
>who actually adds a second physical network port to their Rock64.