msm8930: Sync Prima config with kernel

Change-Id: I14609bded1d906ad3a468a590616e230452b2050
msm8930: Build wcnss-service daemon

 * Samsung will be using it in upcoming stock kitkat rom,
   so we might as well switch to it too.

Change-Id: Ic84a49b4be9926693141700343877bfb18081ec2
msm8930: Add wilcoxltexx (Express 2) to build barrier

Change-Id: Ice6ea38ecc67a66ea745901572e9d5226f7eae31
msm8930: Move some device specific options to serrano-common

 * The Express 2 for example doesn't support this

Change-Id: Ib378f786a0a484989400cc1c70873f2177e2898a
msm8930: Add expressltexx (Galaxy Express) to build barrier

Change-Id: Ie3857a568e3b02b34605e24f6352e698cdd14fa1
msm8930: Update camera wrapper

 * Kanged some stuff from 8960 wrapper. Should help the
   Galaxy Express devices to be able to use this wrapper,
   and avoid having to maintain their own version.

Change-Id: Iee974f1b6576b5373b27eb980cb980473e71d6b4