meta/recipes.txt: add recipes-lsb4

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
meta-*/conf/layer.conf: tweak BBFILES comment

"packages" was the old name (pre-2010) under which the recipe files were
stored.

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
classes/license: remove outdated comment

Package listing was implemented in the deb backend some time ago.

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>