[Blackfin] arch: cplb-mpu code clean up

 - allow bootrom to be readable from supervisor mode
 - delete unused local variable "addr"
 - punt unused local defines of cplbinfo.c

Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>

2 files changed