storage_common.c: Add missing codes to support DriveDroid
frandom.c: Add module author
Make frandom a module
Update defconfig: Add frandom as module
Make zram a module
Revert "Make zram a module"

This reverts commit e8209b2e44d6743d33b68ed49da723f610b4d035.
Linux 3.0.79
Merge branch 'test' of github.com:temasek/android_kernel_samsung_smdk4412 into linaro