powerpc: Allow CPU selection also on PPC32

This patch extends to PPC32 the capability to select the exact
CPU type.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Christophe Leroy 2018-06-07 10:10:20 +00:00 • committed by Michael Ellerman
commit 0e00a8c9fd