config: Drop CONFIG_CONSOLE_DEV

This is not really a config. Rename it to avoid confusion.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Jagan Teki <jteki@openedev.com>
diff --git a/include/configs/tqma6_wru4.h b/include/configs/tqma6_wru4.h
index 8896bc3..3e88391 100644
--- a/include/configs/tqma6_wru4.h
+++ b/include/configs/tqma6_wru4.h
@@ -21,7 +21,7 @@
 
 /* UART */
 #define CONFIG_MXC_UART_BASE		UART4_BASE
-#define CONFIG_CONSOLE_DEV		"ttymxc3"
+#define CONSOLE_DEV		"ttymxc3"
 
 #define CONFIG_MISC_INIT_R