[PATCH for v4.9 LTS 83/86] net: phy: dp83867: allow RGMII_TXID/RGMII_RXID interface types

From: "Karicheri, Muralidharan" [ Upstream commit 34c55cf2fc75f8bf6ba87df321038c064cf2d426 ] Currently dp83867 driver returns error if phy interface type PHY_INTERFACE_MODE_RGMII_RXID is used to set the rx only internal delay. Similarly issue happens for

[PATCH for v4.9 LTS 83/86] net: phy: dp83867: allow RGMII_TXID/RGMII_RXID interface types

From: "Karicheri, Muralidharan" [ Upstream commit 34c55cf2fc75f8bf6ba87df321038c064cf2d426 ] Currently dp83867 driver returns error if phy interface type PHY_INTERFACE_MODE_RGMII_RXID is used to set the rx only internal delay. Similarly issue happens for PHY_INTERFACE_MODE_RGMII_TXID. Fix this