arm: socfpga: Add missing ',' in CONFIG_BOOTARGS

Somehow the sr1500 is missing this comma in the CONFIG_BOOTARGS
definition. This patch adds it to.
Signed-off-by: NStefan Roese <sr@denx.de>
Reported-by: NPavel Machek <pavel@denx.de>
Cc: Pavel Machek <pavel@denx.de>
Cc: Marek Vasut <marex@denx.de>

include/configs/socfpga_sr1500.h

@@ -22,7 +22,7 @@
 /* Booting Linux */
 #define CONFIG_BOOTDELAY	3
 #define CONFIG_BOOTFILE		"uImage"
-#define CONFIG_BOOTARGS		"console=ttyS0" __stringify(CONFIG_BAUDRATE)
+#define CONFIG_BOOTARGS		"console=ttyS0," __stringify(CONFIG_BAUDRATE)
 #define CONFIG_BOOTCOMMAND	"run mmcload; run mmcboot"
 #define CONFIG_LOADADDR		0x01000000
 #define CONFIG_SYS_LOAD_ADDR	CONFIG_LOADADDR