board/BuR/common: use SYS_CONSOLE_OVERWRITE

We don't want that CONSOLE is redirected to LCD upon init, we rather prefer
that console is still on the serial line.
Signed-off-by: NHannes Petermaier <oe5hpm@oevsv.at>

board/BuR/common/common.c

@@ -641,3 +641,7 @@ int board_mmc_init(bd_t *bis)
 	return omap_mmc_init(1, 0, 0, -1, -1);
 }
 #endif
+int overwrite_console(void)
+{
+	return 1;
+}

include/configs/bur_am335x_common.h

@@ -142,6 +142,8 @@
 #define CONFIG_SYS_PROMPT		"U-Boot (BuR V2.0)# "
 #define CONFIG_SYS_CONSOLE_INFO_QUIET
 #define CONFIG_ENV_OVERWRITE		/* Overwrite ethaddr / serial# */
+#define CONFIG_SYS_CONSOLE_IS_IN_ENV
+#define CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE
 
 /* As stated above, the following choices are optional. */
 #define CONFIG_SYS_LONGHELP