imx6: icorem6_rqs: Add FEC support

Add FEC support for Engicam i.CoreM6 RQS modules.

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>
diff --git a/arch/arm/cpu/armv7/mx6/Kconfig b/arch/arm/cpu/armv7/mx6/Kconfig
index 058b62d..c646966 100644
--- a/arch/arm/cpu/armv7/mx6/Kconfig
+++ b/arch/arm/cpu/armv7/mx6/Kconfig
@@ -138,6 +138,7 @@
 	select MX6QDL
 	select OF_CONTROL
 	select DM
+	select DM_ETH
 	select DM_GPIO
 	select DM_I2C
 	select DM_MMC