board:samsung:trats: add env variables describing platform

This patch adds variables describing platform (soc, board, vendor)
to default environment.

Signed-off-by: Piotr Wilczek <p.wilczek@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Lukasz Majewski <l.majewski@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
diff --git a/include/configs/trats.h b/include/configs/trats.h
index 41de414..6e14a59 100644
--- a/include/configs/trats.h
+++ b/include/configs/trats.h
@@ -154,6 +154,9 @@
 #define CONFIG_SYS_CONSOLE_INFO_QUIET
 #define CONFIG_SYS_CONSOLE_IS_IN_ENV
 
+#define CONFIG_ENV_VARS_UBOOT_CONFIG
+#define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
+
 #define CONFIG_EXTRA_ENV_SETTINGS \
 	"bootk=" \
 		"run loaddtb; run loaduimage; bootm 0x40007FC0 - ${fdtaddr}\0" \