Revert "jf: don't build without proprietary blobs"

This reverts commit 2964c9f610ad9399967b5a4fd942065a3be0be6a.

Change-Id: I22cd2909875d8f7e476e87c2ee4226509aebe6b5
Merge branch 'cm-10.2' of github.com:CyanogenMod/android_device_samsung_jf-common into cm-10.2