net: fec_mxc: add 1000 Mbps selection

Define FEC_QUIRK_ENET_MAC and add to
arch-mx6/imx-regs.h

Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
Acked-by: Dirk Behme <dirk.behme@de.bosch.com>
diff --git a/drivers/net/fec_mxc.h b/drivers/net/fec_mxc.h
index 9825eab..af33d21 100644
--- a/drivers/net/fec_mxc.h
+++ b/drivers/net/fec_mxc.h
@@ -198,6 +198,7 @@
 #define FEC_RCNTRL_FCE			0x00000020
 #define FEC_RCNTRL_RGMII		0x00000040
 #define FEC_RCNTRL_RMII			0x00000100
+#define FEC_RCNTRL_RMII_10T		0x00000200
 
 #define FEC_TCNTRL_GTS			0x00000001
 #define FEC_TCNTRL_HBC			0x00000002
@@ -207,6 +208,7 @@
 
 #define FEC_ECNTRL_RESET		0x00000001	/* reset the FEC */
 #define FEC_ECNTRL_ETHER_EN		0x00000002	/* enable the FEC */
+#define FEC_ECNTRL_SPEED		0x00000020
 #define FEC_ECNTRL_DBSWAP		0x00000100
 
 #define FEC_X_WMRK_STRFWD		0x00000100