qemu no longer supports building for ppc32 hosts, therefore reflect this
in recipe
(From OE-Core rev: b94bf9d17d8157907d4b96f29276a7b58707124e)
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>