[POWERPC] Move embedded6xx into multiplatform

The various embedded 6xx systems can easily coexist in one kernel
together with the other 6xx based systems, so there is no strict
reason to keep them separate.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2 files changed