iio: accel: kxcjk-1013: add support for kxtj2-1009

This patch adds support for KXTJ2-1009 3-axis acceleromenter sensor.
KXTJ2-1009 uses the same register definitions as KXCJK-1013.

The specification for KXTJ2-1009 can be downloaded from:
http://www.kionix.com/sites/default/files/KXTJ2-1009%20Specifications%20Rev%204.pdf

Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Daniel Baluta <daniel.baluta@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
diff --git a/drivers/iio/accel/Kconfig b/drivers/iio/accel/Kconfig
index 01a2151..f71efc8 100644
--- a/drivers/iio/accel/Kconfig
+++ b/drivers/iio/accel/Kconfig
@@ -99,7 +99,8 @@
 	select IIO_TRIGGERED_BUFFER
 	help
 	  Say Y here if you want to build a driver for the Kionix KXCJK-1013
-	  triaxial acceleration sensor. This driver also supports KXCJ9-1008.
+	  triaxial acceleration sensor. This driver also supports KXCJ9-1008
+	  and KXTJ2-1009.
 
 	  To compile this driver as a module, choose M here: the module will
 	  be called kxcjk-1013.