Convert CONFIG_VIDEO_OMAP3 to Kconfig

This converts the following to Kconfig:
   CONFIG_VIDEO_OMAP3

Signed-off-by: Adam Ford <aford173@gmail.com>
diff --git a/configs/cm_t35_defconfig b/configs/cm_t35_defconfig
index 95dcc06..f8f1862 100644
--- a/configs/cm_t35_defconfig
+++ b/configs/cm_t35_defconfig
@@ -57,5 +57,6 @@
 CONFIG_USB_OMAP3=y
 CONFIG_TWL4030_USB=y
 CONFIG_USB_STORAGE=y
+CONFIG_VIDEO_OMAP3=y
 CONFIG_LCD=y
 CONFIG_OF_LIBFDT=y