sh_eth: add device tree support
Add support of the device tree probing for the Renesas SH-Mobile SoCs
documenting the device tree binding as necessary.
This work is loosely based on the original patch by Nobuhiro Iwamatsu
<nobuhiro.iwamatsu.yj@renesas.com>.
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
(cherry picked from commit
b356e978e92fccd17a3e4620a4821bdbfb706c1a)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>