engicam: icorem6: Add DM_GPIO, DM_MMC support

Add DM_GPIO, DM_MMC support for u-boot and disable for SPL.

Cc: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
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 e2431a8..762a581 100644
--- a/arch/arm/cpu/armv7/mx6/Kconfig
+++ b/arch/arm/cpu/armv7/mx6/Kconfig
@@ -100,6 +100,8 @@
 	select MX6QDL
 	select OF_CONTROL
 	select DM
+	select DM_GPIO
+	select DM_MMC
 	select DM_THERMAL
 	select SUPPORT_SPL