CONFIG_SYS_BAUDRATE_TABLE: Add <config_fallbacks.h>, place there

We provide a default table of { 9600, 19200, 38400, 57600, 115200 }
in <config_fallbacks.h> which mkconfig places after <configs/...h> in
the generated config file.  This is used when a board has not set its
own table.

Signed-off-by: Tom Rini <trini@ti.com>
diff --git a/mkconfig b/mkconfig
index 438530b..daa1810 100755
--- a/mkconfig
+++ b/mkconfig
@@ -167,6 +167,7 @@
 #include <config_defaults.h>
 #include <configs/${CONFIG_NAME}.h>
 #include <asm/config.h>
+#include <config_fallbacks.h>
 EOF
 
 exit 0