tamsui: provide ability to pull qcom-common blobs from device
this needs some fixing
at the moment using blobs are mandatory as the include rather than -include command is used
TODO: allow user to use blobs OR pull from device
TODO: rename qcom-common blobs to msm7x27a-common

Change-Id: I893f8e727fc80c47150dd4a367892eda40ce9468