Blackfin: drop unused bad_page pages and move zero_page to the bss

The empty_bad_page/empty_bad_page_table pages are unused, so punt them.
The zero_page is always allocated, so push it out to the bss to speed up
the booting process a bit and pack data nicer.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2 files changed