Fix build warnings in cmd_flash.c

These variables are only used in case CONFIG_SYS_NO_FLASH is NOT set:
struct mtd_device *dev;
struct part_info *part;
u8 dev_type, dev_num, pnum;

Signed-off-by: Remy Bohmer <linux@bohmer.net>
diff --git a/common/cmd_flash.c b/common/cmd_flash.c
index 4493948..bd49b79 100644
--- a/common/cmd_flash.c
+++ b/common/cmd_flash.c
@@ -459,15 +459,15 @@
 	flash_info_t *info;
 	ulong bank;
 	int i, n, sect_first, sect_last;
-#endif /* CONFIG_SYS_NO_FLASH */
-#if !defined(CONFIG_SYS_NO_FLASH) || defined(CONFIG_HAS_DATAFLASH)
-	ulong addr_first, addr_last;
-#endif
 #if defined(CONFIG_CMD_MTDPARTS)
 	struct mtd_device *dev;
 	struct part_info *part;
 	u8 dev_type, dev_num, pnum;
 #endif
+#endif /* CONFIG_SYS_NO_FLASH */
+#if !defined(CONFIG_SYS_NO_FLASH) || defined(CONFIG_HAS_DATAFLASH)
+	ulong addr_first, addr_last;
+#endif
 #ifdef CONFIG_HAS_DATAFLASH
 	int status;
 #endif