[ARM] 5185/1: Fix spi num_chipselect for lubbock

Change num_chipselect for lubbock ssp master to reflect requirement
of spi subsystem that all buses have at least 1 chip select.
Signed-off-by: NJonathan Cameron <jic23@cam.ac.uk>
Acked-by: NEric Miao <eric.miao@marvell.com>
Acked-by: NDavid Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-pxa/lubbock.c

@@ -224,7 +224,7 @@ static struct platform_device sa1111_device = {
  * for the temperature sensors.
  */
 static struct pxa2xx_spi_master pxa_ssp_master_info = {
-	.num_chipselect	= 0,
+	.num_chipselect	= 1,
 };
 
 static int lubbock_ads7846_pendown_state(void)