uec: add support for RGMII_RXID interface mode

PHY drivers will use it to setup software delay between RXD and RXC
signals.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
diff --git a/drivers/qe/uec.c b/drivers/qe/uec.c
index 55f37cb..d34430c 100644
--- a/drivers/qe/uec.c
+++ b/drivers/qe/uec.c
@@ -417,6 +417,7 @@
 			maccfg2 |= MACCFG2_INTERFACE_MODE_BYTE;
 			upsmr |= (UPSMR_RPM | UPSMR_TBIM);
 			break;
+		case ENET_1000_RGMII_RXID:
 		case ENET_1000_RGMII:
 			maccfg2 |= MACCFG2_INTERFACE_MODE_BYTE;
 			upsmr |= UPSMR_RPM;
diff --git a/drivers/qe/uec.h b/drivers/qe/uec.h
index c384055..7762de6 100644
--- a/drivers/qe/uec.h
+++ b/drivers/qe/uec.h
@@ -642,6 +642,7 @@
 	ENET_100_RGMII,
 	ENET_1000_GMII,
 	ENET_1000_RGMII,
+	ENET_1000_RGMII_RXID,
 	ENET_1000_TBI,
 	ENET_1000_RTBI
 } enet_interface_e;