This ensures that, support is not enabled for machines which do not
support VSX
(From OE-Core rev: cd38be40cd2d65787dd6f6f6667c320f4865716e)
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>