imx6: geam6ul: Add FEC support

Add FEC support for Engicam GEAM6UL module.

Cc: Stefano Babic <sbabic@denx.de>
Cc: Matteo Lisi <matteo.lisi@engicam.com>
Cc: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>

arch/arm/cpu/armv7/mx6/Kconfig

@@ -197,6 +197,7 @@ config TARGET_MX6UL_GEAM
 	select MX6UL
 	select OF_CONTROL
 	select DM
+	select DM_ETH
 	select DM_GPIO
 	select DM_I2C
 	select DM_MMC

configs/imx6ul_geam_mmc_defconfig

@@ -18,6 +18,8 @@ CONFIG_SYS_MAXARGS=32
 CONFIG_CMD_BOOTZ=y
 CONFIG_CMD_GPIO=y
 CONFIG_CMD_MEMTEST=y
+CONFIG_CMD_MII=y
+CONFIG_CMD_PING=y
 CONFIG_CMD_MMC=y
 CONFIG_CMD_CACHE=y
 CONFIG_CMD_EXT2=y
@@ -27,6 +29,7 @@ CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_CMD_I2C=y
 CONFIG_OF_LIBFDT=y
+CONFIG_FEC_MXC=y
 CONFIG_MXC_UART=y
 CONFIG_IMX_THERMAL=y
 CONFIG_PINCTRL=y

configs/imx6ul_geam_nand_defconfig

@@ -18,9 +18,12 @@ CONFIG_SYS_MAXARGS=32
 CONFIG_CMD_BOOTZ=y
 CONFIG_CMD_GPIO=y
 CONFIG_CMD_MEMTEST=y
+CONFIG_CMD_MII=y
+CONFIG_CMD_PING=y
 CONFIG_CMD_NAND=y
 CONFIG_CMD_CACHE=y
 CONFIG_OF_LIBFDT=y
+CONFIG_FEC_MXC=y
 CONFIG_MXC_UART=y
 CONFIG_NAND_MXS=y
 CONFIG_IMX_THERMAL=y

include/configs/imx6ul_geam.h

@@ -137,6 +137,16 @@
 # define CONFIG_APBH_DMA_BURST8
 #endif
 
+/* Ethernet */
+#ifdef CONFIG_FEC_MXC
+# define CONFIG_FEC_MXC_PHYADDR		0
+# define CONFIG_FEC_XCV_TYPE		RMII
+
+# define CONFIG_MII
+# define CONFIG_PHYLIB
+# define CONFIG_PHY_SMSC
+#endif
+
 /* SPL */
 #ifdef CONFIG_SPL
 # ifdef CONFIG_NAND_MXS