68851 MMU: Fix harmless (CPU_68020 == MMU_68851 anyway) typo in the MMU
configuration code.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>