If an old version is detected (<1.9), create a new window instead of split:
the reason is that there is no easy way to get the active pane height if no
nested formats are supported.
(From OE-Core rev: 457bd6297ae99627c5f596c3c09086d787d5a5ab)
Signed-off-by: Leonardo Sandoval <leonardo.sandoval.gonzalez@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>