When prefix is part of the version directory it need to ensure that
only version directory is used so remove previous directories if exists.
Example: pfx = '/dir1/dir2/v' and version = '2.5' the expected result
is 'v2.5' instead of '/dir1/dir2/v2.5'.
[YOCTO #8778]
(Bitbake rev: c760531c6dbf88135ab9f8e6f0784ccbf2cce1e4)
Signed-off-by: Aníbal Limón <limon.anibal@gmail.com>
Signed-off-by: Aníbal Limón <anibal.limon@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>