ion: Fix build with qcache disabled

 * Qcache is still unstable and buggy, but currently crashes if fully
   disabled on 8960.
 * Allow disabling of Qcache for 8960 and fix the dependency in msm_ion.

Change-Id: I3b2fc40ecce757530b64ddabb03081aaa425b603
base: genlock: update to jb_mr1_chocolate