sandbox: Change global data baudrate to int

This doesn't need to be a long, so change it.

Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Rini <trini@ti.com>

arch/sandbox/include/asm/global_data.h

@@ -36,7 +36,7 @@
 typedef	struct global_data {
 	bd_t		*bd;
 	unsigned long	flags;
-	unsigned long	baudrate;
+	unsigned int	baudrate;
 	unsigned long	have_console;	/* serial_init() was called */
 	unsigned long	env_addr;	/* Address  of Environment struct */
 	unsigned long	env_valid;	/* Checksum of Environment valid? */