powerpc: manroland: remove uc100, uc101, mucmc52, hmi1001 support

These boards are still non-generic boards.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Heiko Schocher <hs@denx.de>
Cc: Stefan Roese <sr@denx.de>
32 files changed