cgtqmx6eval: Add thermal support

Add thermal support so that we can see the following message on boot:

CPU:   Industrial temperature grade (-40C to 105C) at 33C

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
diff --git a/configs/cgtqmx6qeval_defconfig b/configs/cgtqmx6qeval_defconfig
index e1eb871..6fd29a0 100644
--- a/configs/cgtqmx6qeval_defconfig
+++ b/configs/cgtqmx6qeval_defconfig
@@ -1,6 +1,9 @@
 CONFIG_ARM=y
 CONFIG_TARGET_CGTQMX6EVAL=y
 CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=board/congatec/cgtqmx6eval/imximage.cfg,MX6Q"
+CONFIG_CMD_NET=y
+CONFIG_DM=y
+CONFIG_DM_THERMAL=y
 # CONFIG_CMD_IMLS is not set
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_SETEXPR is not set