arm/at91: fix build of stamp9g20

Fixes build:

arch/arm/mach-at91/board-stamp9g20.c:126: error: expected '}' before ';' token

Signed-off-by: Olof Johansson <olof@lixom.net>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
diff --git a/arch/arm/mach-at91/board-stamp9g20.c b/arch/arm/mach-at91/board-stamp9g20.c
index e8d3d5b..72eb3b4 100644
--- a/arch/arm/mach-at91/board-stamp9g20.c
+++ b/arch/arm/mach-at91/board-stamp9g20.c
@@ -123,8 +123,8 @@
 static struct mci_platform_data __initdata mmc_data = {
 	.slot[0] = {
 		.bus_width	= 4,
-		.detect_pin	= -1;
-		.wp_pin		= -1;
+		.detect_pin	= -1,
+		.wp_pin		= -1,
 	},
 };
 #else