If lsb_release is not installed (as it may not be on headless/minimal
installations on distros whose LSB package has a long list of
dependencies) we need to gather the information directly from files in
/etc.
Fixes [YOCTO #4012].
(From OE-Core rev: 106a7bcdb5ad9956f1d78f508408bfbcf7ff5120)
Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>