imx6: ventana: add default kernel modules for GSC

All Gateworks Ventana boards have a Gateworks System Controller
which emulates the following:
 - ds1672 RTC
 - pca953x GPIO expander
 - hardware monitor
 - at24 eeprom

Signed-off-by: Tim Harvey <tharvey@gateworks.com>

SVN-Revision: 39112

target/linux/imx6/profiles/120-gateworks.mk

@@ -11,6 +11,7 @@ define Profile/VENTANA
 	kmod-thermal-imx kmod-sky2 kmod-usb-chipidea kmod-usb-mxs-phy \
 	kmod-sound-soc-imx kmod-sound-soc-imx-sgtl5000 \
 	kmod-can kmod-can-flexcan \
+	kmod-rtc-ds1672 kmod-gpio-pca953x kmod-hwmon-gsc kmod-eeprom-at24 \
 	kobs-ng
 endef