defconfig: msm8974: Enable synaptics touchscreen

Enable synaptics touchscreen driver in both defconfig
and perf defconfig.

Change-Id: I0e4aaee8e252dd3fd485b9e4f344bafd9be187de
Signed-off-by: Amy Maloche <amaloche@codeaurora.org>
diff --git a/arch/arm/configs/msm8974_defconfig b/arch/arm/configs/msm8974_defconfig
index ee38cc8..02494b2 100644
--- a/arch/arm/configs/msm8974_defconfig
+++ b/arch/arm/configs/msm8974_defconfig
@@ -294,6 +294,8 @@
 CONFIG_INPUT_TOUCHSCREEN=y
 CONFIG_TOUCHSCREEN_ATMEL_MXT=y
 CONFIG_TOUCHSCREEN_GEN_VKEYS=y
+CONFIG_TOUCHSCREEN_SYNAPTICS_I2C_RMI4=y
+CONFIG_TOUCHSCREEN_SYNAPTICS_DSX_FW_UPDATE=y
 CONFIG_INPUT_MISC=y
 CONFIG_INPUT_UINPUT=y
 CONFIG_SERIAL_MSM_HS=y