powerpc/8xx: Refactor microcode write

Add empty microcode tables so that all tables are defined
all the time. Regroup the writing of the 3 tables regardless
of the selected microcode.

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 2019-06-14 06:41:42 +00:00 • committed by Michael Ellerman
commit 11597ff20b