cgtqmx6eval: Add SPL support

Congatec has several MX6 boards based on quad, dual, dual-lite and solo.

Add SPL support so that all the variants can be supported

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Reviewed-by: Fabio Estevam <fabio.estevam@freescale.com>
diff --git a/arch/arm/cpu/armv7/mx6/Kconfig b/arch/arm/cpu/armv7/mx6/Kconfig
index 273e209..8489182 100644
--- a/arch/arm/cpu/armv7/mx6/Kconfig
+++ b/arch/arm/cpu/armv7/mx6/Kconfig
@@ -46,6 +46,9 @@
 
 config TARGET_CGTQMX6EVAL
 	bool "cgtqmx6eval"
+	select SUPPORT_SPL
+	select DM
+	select DM_THERMAL
 
 config TARGET_CM_FX6
 	bool "CM-FX6"