ARM: keystone: Enable DM_I2C by default

Enable by default DM_I2C for all Texas Instruments Keystone 2 based
evms.

Signed-off-by: Franklin S Cooper Jr <fcooper@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Heiko Schocher <hs@denx.de>

arch/arm/mach-keystone/Kconfig

@@ -6,17 +6,21 @@ choice
 
 config TARGET_K2HK_EVM
 	bool "TI Keystone 2 Kepler/Hawking EVM"
+	imply DM_I2C
 
 config TARGET_K2E_EVM
 	bool "TI Keystone 2 Edison EVM"
+	imply DM_I2C
 
 config TARGET_K2L_EVM
 	bool "TI Keystone 2 Lamar EVM"
+	imply DM_I2C
 
 config TARGET_K2G_EVM
 	bool "TI Keystone 2 Galileo EVM"
         select BOARD_LATE_INIT
         select TI_I2C_BOARD_DETECT
+	imply DM_I2C
 
 endchoice