ARM: shmobile: kzm9g: enable magnetometer ak8975.

This patch enables magnetometer ak8975.
I checked ak8975_probe() returns successfully.

Signed-off-by: Tetsuyuki Kobayashi <koba@kmckk.co.jp>
Signed-off-by: Simon Horman <horms@verge.net.au>

arch/arm/configs/kzm9g_defconfig

@@ -119,6 +119,8 @@ CONFIG_DMADEVICES=y
 CONFIG_SH_DMAE=y
 CONFIG_ASYNC_TX_DMA=y
 CONFIG_STAGING=y
+CONFIG_SENSORS_AK8975=y
+CONFIG_IIO=y
 # CONFIG_DNOTIFY is not set
 CONFIG_INOTIFY_USER=y
 CONFIG_VFAT_FS=y

arch/arm/mach-shmobile/board-kzm9g.c

@@ -557,7 +557,11 @@ static struct i2c_board_info i2c0_devices[] = {
 	},
 	{
 		I2C_BOARD_INFO("r2025sd", 0x32),
-	}
+	},
+	{
+		I2C_BOARD_INFO("ak8975", 0x0c),
+		.irq = intcs_evt2irq(0x3380), /* IRQ28 */
+	},
 };
 
 static struct i2c_board_info i2c1_devices[] = {