Applied: [VIVID] [PULL] UBUNTU: arm64: xgene-enet: add SGMII based 1GbE support for the second port

[Kamal Mostafa]

Applied to Vivid master-next:

git://kernel.ubuntu.com/ming/ubuntu-vivid.git    support_2nd_sgmii

6ba01cc drivers: net: xgene: Add second SGMII based 1G interface
30611d2 dtb: xgene: Add second SGMII based 1G interface node
7e7a851 Documentation: dtb: Add port-id field for APM X-Gene ethernet
bbfc4ea drivers: net: xgene: constify of_device_id array
262b8db net: eth: xgene: fix booting with devicetree
d40bbec drivers: net: xgene: fix new firmware backward compatibility with older 
68f1a17 dtb: change binding name to match with newer firmware DT
69633b9 Documentation: dts: Update compatible field description for APM X-Gene
6372c84 drivers: net: xgene: Make xgene_enet_of_match depend on CONFIG_OF
7c6997b net: eth: xgene: devm_ioremap() returns NULL on error
29a33d1 net: eth: xgene: change APM X-Gene SoC platform ethernet to support ACPI