board:samsung:universal: 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: Przemyslaw Marczak <p.marczak@samsung.com>
Acked-by: Przemyslaw Marczak <p.marczak@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>

board/samsung/universal_c210/universal.c

@@ -516,6 +516,9 @@ int board_init(void)
 #ifdef CONFIG_MISC_INIT_R
 int misc_init_r(void)
 {
+#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
+	set_board_info();
+#endif
 #ifdef CONFIG_LCD_MENU
 	keys_init();
 	check_boot_mode();

include/configs/s5pc210_universal.h

@@ -124,6 +124,9 @@
 #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					\
 	"updateb=" \
 		"onenand erase 0x0 0x100000;" \