PPC 970FX Evaluation kit (Maple) boards bear AMD8111 southbridge.
Allow this driver to be compiled in if PPC_MAPLE is selected.
Signed-off-by: NDmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Acked-by: NMatt Mackall <mpm@selenic.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>