Use unified model name

Signed-off-by: Varun Chitre <varun.chitre15@gmail.com>
Link to vendor blobs makefile

Signed-off-by: Varun Chitre <varun.chitre15@gmail.com>
Cleanup system.prop and move to taoshan.mk

Signed-off-by: Varun Chitre <varun.chitre15@gmail.com>