msm8974: Device need to manage their own specific includes

When the GPS was moved back to being device specific we now are
setting a device specific path for it in the device.  That would
override this setting and therefore needs to be put back into
the device repo.

Change-Id: Ie64ed1ed31a5a0fd73e75fc0206eb37bc33acba8
Merge "msm8974: Device need to manage their own specific includes" into cm-11.0