board:samsung: move checkboard to common file

The checkboard function's implementation is common for all
DT supporting boards and should be placed in the board common file.

Signed-off-by: Piotr Wilczek <p.wilczek@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Chander Kashyap <k.chander@samsung.com>
Cc: Rajeshwari S Shinde <rajeshwari.s@samsung.com>
Cc: Amar <amarendra.xt@samsung.com>

Acked-by: Rajeshwari Shinde <rajeshwari.s@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>

board/samsung/common/board.c

@@ -377,7 +377,19 @@ int board_mmc_init(bd_t *bis)
 	return ret;
 }
 #endif
+
+#ifdef CONFIG_DISPLAY_BOARDINFO
+int checkboard(void)
+{
+	const char *board_name;
+
+	board_name = fdt_getprop(gd->fdt_blob, 0, "model", NULL);
+	printf("Board: %s\n", board_name ? board_name : "unknown");
+
+	return 0;
+}
 #endif
+#endif /* CONFIG_OF_CONTROL */
 
 #ifdef CONFIG_BOARD_LATE_INIT
 int board_late_init(void)

board/samsung/smdk5250/exynos5-dt.c

@@ -45,21 +45,6 @@ int exynos_init(void)
 	return 0;
 }
 
-#ifdef CONFIG_DISPLAY_BOARDINFO
-int checkboard(void)
-{
-	const char *board_name;
-
-	board_name = fdt_getprop(gd->fdt_blob, 0, "model", NULL);
-	if (board_name == NULL)
-		printf("\nUnknown Board\n");
-	else
-		printf("\nBoard: %s\n", board_name);
-
-	return 0;
-}
-#endif
-
 #ifdef CONFIG_LCD
 void exynos_cfg_lcd_gpio(void)
 {

board/samsung/smdk5420/smdk5420.c

@@ -142,18 +142,3 @@ int board_get_revision(void)
 {
 	return 0;
 }
-
-#ifdef CONFIG_DISPLAY_BOARDINFO
-int checkboard(void)
-{
-	const char *board_name;
-
-	board_name = fdt_getprop(gd->fdt_blob, 0, "model", NULL);
-	if (board_name == NULL)
-		printf("\nUnknown Board\n");
-	else
-		printf("\nBoard: %s\n", board_name);
-
-	return 0;
-}
-#endif