Adding "modprobe i2c-dev" before running the script

Change-Id: Iaebc0e55264e5ccda11bea9858438cf67665a357

BUG=chrome-os-partner:2718
TEST=Run the factory image and check if the ALS sensor is running properly

Review URL: http://codereview.chromium.org/6680021
(cherry picked from commit e9d1bbd6d057662087c3ff5605770b2de6898911)

Review URL: http://codereview.chromium.org/6686031
diff --git a/mod_for_factory_scripts/200patchInitScript b/mod_for_factory_scripts/200patchInitScript
index 3ad9213..422d8af 100755
--- a/mod_for_factory_scripts/200patchInitScript
+++ b/mod_for_factory_scripts/200patchInitScript
@@ -37,6 +37,7 @@
 stop on starting halt or starting reboot
 
 script
+/sbin/modprobe i2c-dev
 cd /usr/local/autotest
 eval \$(./site_tests/suite_Factory/startx.sh)
 date >>/var/log/factory.log