Blobs from stock /firmware/image

In the stock firmware, these are symlinked.

For the time being, we'll just drop matching files in
/system/etc/firmware - this is done on other CM devices
like Sony fusion3 anyway, so we might keep this approach.

Change-Id: I39a29d013c3d083b57b2eaeb33fe8520e7d1d5a3
Add efsks and ks binaries

Change-Id: Ie7f9894141726d2cf55e1a26c4adb5c47b1ae6a4
update QMI-related blobs from stock

Change-Id: Ic338463565ba616e8b8a61d83d346562fc12b972