Add custom recovery_updater function

Change-Id: I5e7cce54c84f83778e9ba195f22ac8a715955cf0
move bltsville from external to the archos specific directory
this is more in keep with cm device specific requirements

this is an interim step as it will probably endup a cpu ( omap4-common )
directory

Change-Id: I21ef3025245c7c864e6cc6da03ae80509c42ad10
Revert "move bltsville from external to the archos specific directory"

This reverts commit 6f598f1d7ffb8ee74724a013867ef8dc984a1631.

Don't want a subproject