arm: rmobile: kzm9g: Fix CONFIG_BAUDRATE setting

The value of CONFIG_BAUDRATE is treated as string and put as initial value of
environment variable. If it begin with '(', it is wrongly parsed to 0 in number.
So I removed '(' and ')'.
Signed-off-by: NTetsuyuki Kobayashi <koba@kmckk.co.jp>
Signed-off-by: NNobuhiro Iwamatsu <iwamatsu@nigauri.org>

include/configs/kzm9g.h

@@ -46,7 +46,7 @@
 #define CONFIG_CMD_FAT
 #define CONFIG_CMD_BOOTZ
 
-#define CONFIG_BAUDRATE		(115200)
+#define CONFIG_BAUDRATE		115200
 #define CONFIG_BOOTARGS		"root=/dev/null console=ttySC4,115200"
 #define CONFIG_INTEGRATOR
 #define CONFIG_ARCH_CINTEGRATOR