Refractor more drivers for Tuna - part deux

Patchset 1: Apparently the libsecril-client and libdrmdecrypt are also different for toroplus and the other devices.
Patchset 2: Revert gps drivers for toroplus to fix slow gps lock - seems to make a significant difference

Change-Id: Iedc9881217f2f33d0610cd1be600f8a5f4baa289