This patch add ethernet node gem1 to zcu1275 RevB. GMII to RGMII converter sits between MAC and external phy connected over GMII to MAC and RGMMI to external phy. Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>