powerpc/kconfig: remove PPC_STD_MMU_32 and PPC_STD_MMU

PPC_STD_MMU_32 and PPC_STD_MMU are not used anymore. Remove them.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2 files changed