powerpc/pseries: Add new H_GET_CPU_CHARACTERISTICS flags

commit c4bc36628d7f8b664657d8bd6ad1c44c177880b7 upstream.

Add some additional values which have been defined for the
H_GET_CPU_CHARACTERISTICS hypercall.

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>