Blackfin: bf533-stamp: fix typo in SPI frequency for ad1836 codec

One too many zeros means we run way faster than the codec can handle.
Signed-off-by: NCliff Cai <cliff.cai@analog.com>
Signed-off-by: NMike Frysinger <vapier@gentoo.org>

arch/blackfin/mach-bf533/boards/stamp.c

@@ -280,7 +280,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
 #if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 	{
 		.modalias = "ad1836-spi",
-		.max_speed_hz = 31250000,     /* max spi clock (SCK) speed in HZ */
+		.max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 		.bus_num = 0,
 		.chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
 		.controller_data = &ad1836_spi_chip_info,